65628724 has 12 divisors (see below), whose sum is σ = 131257504. Its totient is φ = 28126584.

The previous prime is 65628691. The next prime is 65628727. The reversal of 65628724 is 42782656.

65628724 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65628727) 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, 1171914 + ... + 1171969.

Almost surely, 2^65628724 is an apocalyptic number.

It is an amenable number.

65628724 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65628724 is a wasteful number, since it uses less digits than its factorization.

65628724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343894 (or 2343892 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 65628724 is about 8101.1557200192. The cubic root of 65628724 is about 403.3647910866.

The spelling of 65628724 in words is "sixty-five million, six hundred twenty-eight thousand, seven hundred twenty-four".