65625924 has 96 divisors (see below), whose sum is σ = 198446080. Its totient is φ = 16391808.

The previous prime is 65625883. The next prime is 65625929. The reversal of 65625924 is 42952656.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (65625929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19167 + ... + 22329.

Almost surely, 2^65625924 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 65625924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99223040).

65625924 is an abundant number, since it is smaller than the sum of its proper divisors (132820156).

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

65625924 is a wasteful number, since it uses less digits than its factorization.

65625924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209 (or 3207 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 65625924 is about 8100.9829033272. The cubic root of 65625924 is about 403.3590545869.

The spelling of 65625924 in words is "sixty-five million, six hundred twenty-five thousand, nine hundred twenty-four".