65712052 has 12 divisors (see below), whose sum is σ = 131424160. Its totient is φ = 28162296.

The previous prime is 65712047. The next prime is 65712071. The reversal of 65712052 is 25021756.

65712052 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 2346859 = 65712052 / (6 + 5 + 7 + 1 + 2 + 0 + 5 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 65712052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173402 + ... + 1173457.

Almost surely, 2^65712052 is an apocalyptic number.

It is an amenable number.

65712052 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.

65712052 is a wasteful number, since it uses less digits than its factorization.

65712052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346870 (or 2346868 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 65712052 is about 8106.2970584602. The cubic root of 65712052 is about 403.5354346904.

The spelling of 65712052 in words is "sixty-five million, seven hundred twelve thousand, fifty-two".