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672950740 = 22571119109211
BaseRepresentation
bin101000000111000…
…110100111010100
31201220021102212111
4220013012213110
52334233410430
6150435400404
722450662340
oct5007064724
91656242774
10672950740
11315954940
12169453104
13a955b507
1465536620
153e12cc2a
hex281c69d4

672950740 has 192 divisors, whose sum is σ = 1880524800. Its totient is φ = 195955200.

The previous prime is 672950737. The next prime is 672950749. The reversal of 672950740 is 47059276.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 672950693 and 672950702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672950749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3189235 + ... + 3189445.

It is an arithmetic number, because the mean of its divisors is an integer number (9794400).

Almost surely, 2672950740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672950740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940262400).

672950740 is an abundant number, since it is smaller than the sum of its proper divisors (1207574060).

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

672950740 is a wasteful number, since it uses less digits than its factorization.

672950740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 672950740 is about 25941.2941080433. The cubic root of 672950740 is about 876.3167071383.

The spelling of 672950740 in words is "six hundred seventy-two million, nine hundred fifty thousand, seven hundred forty".