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70066674 = 2336189239
BaseRepresentation
bin1000010110100…
…10000111110010
311212211202102000
410023102013302
5120414113144
610541434430
71510362006
oct413220762
9155752360
1070066674
1136607147
121b56ba16
1311692c92
14943c706
156240769
hex42d21f2

70066674 has 64 divisors (see below), whose sum is σ = 160704000. Its totient is φ = 22619520.

The previous prime is 70066669. The next prime is 70066679. The reversal of 70066674 is 47666007.

It is an interprime number because it is at equal distance from previous prime (70066669) and next prime (70066679).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70066679) 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, 293047 + ... + 293285.

It is an arithmetic number, because the mean of its divisors is an integer number (2511000).

Almost surely, 270066674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70066674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80352000).

70066674 is an abundant number, since it is smaller than the sum of its proper divisors (90637326).

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

70066674 is a wasteful number, since it uses less digits than its factorization.

70066674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 70066674 is about 8370.5838506044. The cubic root of 70066674 is about 412.2593373047.

The spelling of 70066674 in words is "seventy million, sixty-six thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 61 89 122 178 183 239 267 366 478 534 549 717 801 1098 1434 1602 1647 2151 2403 3294 4302 4806 5429 6453 10858 12906 14579 16287 21271 29158 32574 42542 43737 48861 63813 87474 97722 127626 131211 146583 191439 262422 293166 382878 393633 574317 787266 1148634 1297531 2595062 3892593 7785186 11677779 23355558 35033337 70066674