64925696 has 78 divisors (see below), whose sum is σ = 143801196. Its totient is φ = 29286400.

The previous prime is 64925677. The next prime is 64925699. The reversal of 64925696 is 69652946.

Its product of digits (699840) is a multiple of the sum of its prime divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 64925696.

It is not an unprimeable number, because it can be changed into a prime (64925699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 495551 + ... + 495681.

Almost surely, 2^64925696 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 64925696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71900598).

64925696 is an abundant number, since it is smaller than the sum of its proper divisors (78875500).

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

64925696 is a wasteful number, since it uses less digits than its factorization.

64925696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 144 counting only the distinct ones).

The product of its digits is 699840, while the sum is 47.

The square root of 64925696 is about 8057.6482921508. The cubic root of 64925696 is about 401.9193092338.

The spelling of 64925696 in words is "sixty-four million, nine hundred twenty-five thousand, six hundred ninety-six".