70925872 has 20 divisors (see below), whose sum is σ = 140013360. Its totient is φ = 34793408.

The previous prime is 70925843. The next prime is 70925891. The reversal of 70925872 is 27852907.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40972 + ... + 42667.

It is an arithmetic number, because the mean of its divisors is an integer number (7000668).

Almost surely, 2^70925872 is an apocalyptic number.

It is an amenable number.

70925872 is a deficient number, since it is larger than the sum of its proper divisors (69087488).

70925872 is a wasteful number, since it uses less digits than its factorization.

70925872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83700 (or 83694 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 70925872 is about 8421.7499369193. The cubic root of 70925872 is about 413.9376165269.

The spelling of 70925872 in words is "seventy million, nine hundred twenty-five thousand, eight hundred seventy-two".