70507972 has 24 divisors (see below), whose sum is σ = 129088512. Its totient is φ = 33633600.

The previous prime is 70507951. The next prime is 70507979. The reversal of 70507972 is 27970507.

Together with 58580540 it forms an amicable pair .

It is not an unprimeable number, because it can be changed into a prime (70507979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47197 + ... + 48667.

It is an arithmetic number, because the mean of its divisors is an integer number (5378688).

Almost surely, 2^70507972 is an apocalyptic number.

It is an amenable number.

70507972 is a deficient number, since it is larger than the sum of its proper divisors (58580540).

70507972 is a wasteful number, since it uses less digits than its factorization.

70507972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019 (or 2017 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 37.

The square root of 70507972 is about 8396.9025241454. The cubic root of 70507972 is about 413.1230318202.

The spelling of 70507972 in words is "seventy million, five hundred seven thousand, nine hundred seventy-two".