70664464 has 40 divisors (see below), whose sum is σ = 153865152. Its totient is φ = 31194240.

The previous prime is 70664459. The next prime is 70664467. The reversal of 70664464 is 46446607.

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

It is not an unprimeable number, because it can be changed into a prime (70664467) 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, 2602 + ... + 12169.

Almost surely, 2^70664464 is an apocalyptic number.

It is an amenable number.

70664464 is an abundant number, since it is smaller than the sum of its proper divisors (83200688).

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

70664464 is a wasteful number, since it uses less digits than its factorization.

70664464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14815 (or 14809 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 70664464 is about 8406.2157954694. The cubic root of 70664464 is about 413.4284472984.

The spelling of 70664464 in words is "seventy million, six hundred sixty-four thousand, four hundred sixty-four".