65772372 has 24 divisors (see below), whose sum is σ = 153913536. Its totient is φ = 21860608.

The previous prime is 65772367. The next prime is 65772389. The reversal of 65772372 is 27327756.

It is a self number, because there is not a number n which added to its sum of digits gives 65772372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3528 + ... + 11999.

It is an arithmetic number, because the mean of its divisors is an integer number (6413064).

Almost surely, 2^65772372 is an apocalyptic number.

It is an amenable number.

65772372 is an abundant number, since it is smaller than the sum of its proper divisors (88141164).

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

65772372 is a wasteful number, since it uses less digits than its factorization.

65772372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15887 (or 15885 counting only the distinct ones).

The product of its digits is 123480, while the sum is 39.

The square root of 65772372 is about 8110.0167694031. The cubic root of 65772372 is about 403.6588712722.

The spelling of 65772372 in words is "sixty-five million, seven hundred seventy-two thousand, three hundred seventy-two".