64797696 has 132 divisors (see below), whose sum is σ = 191599200. Its totient is φ = 21086208.

The previous prime is 64797673. The next prime is 64797713. The reversal of 64797696 is 69679746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 728020 + ... + 728108.

Almost surely, 2^64797696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64797696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95799600).

64797696 is an abundant number, since it is smaller than the sum of its proper divisors (126801504).

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

64797696 is a wasteful number, since it uses less digits than its factorization.

64797696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 173 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 64797696 is about 8049.7016093766. The cubic root of 64797696 is about 401.6550095808.

The spelling of 64797696 in words is "sixty-four million, seven hundred ninety-seven thousand, six hundred ninety-six".