70512972 has 96 divisors (see below), whose sum is σ = 179773440. Its totient is φ = 21461760.

The previous prime is 70512961. The next prime is 70512973. The reversal of 70512972 is 27921507.

It is not an unprimeable number, because it can be changed into a prime (70512973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646854 + ... + 646962.

It is an arithmetic number, because the mean of its divisors is an integer number (1872640).

Almost surely, 2^70512972 is an apocalyptic number.

It is an amenable number.

70512972 is an abundant number, since it is smaller than the sum of its proper divisors (109260468).

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

70512972 is a wasteful number, since it uses less digits than its factorization.

70512972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 70512972 is about 8397.2002477016. The cubic root of 70512972 is about 413.1327969870.

The spelling of 70512972 in words is "seventy million, five hundred twelve thousand, nine hundred seventy-two".