70645944 has 32 divisors (see below), whose sum is σ = 176973840. Its totient is φ = 23500800.

The previous prime is 70645921. The next prime is 70645961. The reversal of 70645944 is 44954607.

It is a happy number.

It is a super-2 number, since 2×70645944² = 9981698807302272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10264 + ... + 15704.

Almost surely, 2^70645944 is an apocalyptic number.

It is an amenable number.

70645944 is an abundant number, since it is smaller than the sum of its proper divisors (106327896).

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

70645944 is a wasteful number, since it uses less digits than its factorization.

70645944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5991 (or 5987 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 70645944 is about 8405.1141574639. The cubic root of 70645944 is about 413.3923265318.

The spelling of 70645944 in words is "seventy million, six hundred forty-five thousand, nine hundred forty-four".