70864732 has 12 divisors (see below), whose sum is σ = 124073320. Its totient is φ = 35415216.

The previous prime is 70864727. The next prime is 70864733. The reversal of 70864732 is 23746807.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 70864691 and 70864700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70864733) 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, 11323 + ... + 16429.

Almost surely, 2^70864732 is an apocalyptic number.

It is an amenable number.

70864732 is a deficient number, since it is larger than the sum of its proper divisors (53208588).

70864732 is a wasteful number, since it uses less digits than its factorization.

70864732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8580 (or 8578 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 70864732 is about 8418.1192673898. The cubic root of 70864732 is about 413.8186405654.

The spelling of 70864732 in words is "seventy million, eight hundred sixty-four thousand, seven hundred thirty-two".