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1672070330 = 257233728069
BaseRepresentation
bin110001110101001…
…1100010010111010
311022112021222021202
41203222130102322
511411022222310
6433530134202
756302235420
oct14352342272
94275258252
101672070330
11788927207
123a7b81362
1320854aa38
1411c0d5110
159bbd83a5
hex63a9c4ba

1672070330 has 64 divisors (see below), whose sum is σ = 3686376960. Its totient is φ = 533516544.

The previous prime is 1672070327. The next prime is 1672070333. The reversal of 1672070330 is 330702761.

It is an interprime number because it is at equal distance from previous prime (1672070327) and next prime (1672070333).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1672070293 and 1672070302.

It is not an unprimeable number, because it can be changed into a prime (1672070333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45536 + ... + 73604.

It is an arithmetic number, because the mean of its divisors is an integer number (57599640).

Almost surely, 21672070330 is an apocalyptic number.

1672070330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1672070330 is an abundant number, since it is smaller than the sum of its proper divisors (2014306630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1672070330 is a wasteful number, since it uses less digits than its factorization.

1672070330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28143.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 1672070330 is about 40890.9565796644. The cubic root of 1672070330 is about 1186.9110694506.

The spelling of 1672070330 in words is "one billion, six hundred seventy-two million, seventy thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 37 46 70 74 115 161 185 230 259 322 370 518 805 851 1295 1610 1702 2590 4255 5957 8510 11914 28069 29785 56138 59570 140345 196483 280690 392966 645587 982415 1038553 1291174 1964830 2077106 3227935 4519109 5192765 6455870 7269871 9038218 10385530 14539742 22595545 23886719 36349355 45191090 47773438 72698710 119433595 167207033 238867190 334414066 836035165 1672070330