70634672 has 20 divisors (see below), whose sum is σ = 138395160. Its totient is φ = 34919808.

The previous prime is 70634671. The next prime is 70634687. The reversal of 70634672 is 27643607.

It is not an unprimeable number, because it can be changed into a prime (70634671) 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, 23378 + ... + 26225.

It is an arithmetic number, because the mean of its divisors is an integer number (6919758).

Almost surely, 2^70634672 is an apocalyptic number.

It is an amenable number.

70634672 is a deficient number, since it is larger than the sum of its proper divisors (67760488).

70634672 is a wasteful number, since it uses less digits than its factorization.

70634672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49700 (or 49694 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 70634672 is about 8404.4435865797. The cubic root of 70634672 is about 413.3703389229.

The spelling of 70634672 in words is "seventy million, six hundred thirty-four thousand, six hundred seventy-two".