64696704 has 32 divisors (see below), whose sum is σ = 171851640. Its totient is φ = 21565440.

The previous prime is 64696703. The next prime is 64696711. The reversal of 64696704 is 40769646.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64696703) 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, 83857 + ... + 84624.

Almost surely, 2^64696704 is an apocalyptic number.

64696704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64696704 is an abundant number, since it is smaller than the sum of its proper divisors (107154936).

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

64696704 is a wasteful number, since it uses less digits than its factorization.

64696704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168498 (or 168486 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 64696704 is about 8043.4261356713. The cubic root of 64696704 is about 401.4462314016.

The spelling of 64696704 in words is "sixty-four million, six hundred ninety-six thousand, seven hundred four".