70732464 has 40 divisors (see below), whose sum is σ = 199338432. Its totient is φ = 21433920.

The previous prime is 70732451. The next prime is 70732471. The reversal of 70732464 is 46423707.

It is a super-2 number, since 2×70732464² = 10006162927022592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 66454 + ... + 67509.

Almost surely, 2^70732464 is an apocalyptic number.

It is an amenable number.

70732464 is an abundant number, since it is smaller than the sum of its proper divisors (128605968).

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

70732464 is a wasteful number, since it uses less digits than its factorization.

70732464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133985 (or 133979 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 70732464 is about 8410.2594490301. The cubic root of 70732464 is about 413.5610180416.

The spelling of 70732464 in words is "seventy million, seven hundred thirty-two thousand, four hundred sixty-four".