70757872 has 20 divisors (see below), whose sum is σ = 141516736. Its totient is φ = 34237440.

The previous prime is 70757857. The next prime is 70757879. The reversal of 70757872 is 27875707.

70757872 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70757879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70833 + ... + 71824.

Almost surely, 2^70757872 is an apocalyptic number.

It is an amenable number.

70757872 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

70757872 is a wasteful number, since it uses less digits than its factorization.

70757872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142696 (or 142690 counting only the distinct ones).

The product of its (nonzero) digits is 192080, while the sum is 43.

The square root of 70757872 is about 8411.7698494431. The cubic root of 70757872 is about 413.6105309047.

The spelling of 70757872 in words is "seventy million, seven hundred fifty-seven thousand, eight hundred seventy-two".