65264772 has 24 divisors (see below), whose sum is σ = 160300000. Its totient is φ = 20609856.

The previous prime is 65264747. The next prime is 65264789. The reversal of 65264772 is 27746256.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 65264772.

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, 142897 + ... + 143352.

Almost surely, 2^65264772 is an apocalyptic number.

It is an amenable number.

65264772 is an abundant number, since it is smaller than the sum of its proper divisors (95035228).

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

65264772 is a wasteful number, since it uses less digits than its factorization.

65264772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286275 (or 286273 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 65264772 is about 8078.6615228019. The cubic root of 65264772 is about 402.6177724623.

The spelling of 65264772 in words is "sixty-five million, two hundred sixty-four thousand, seven hundred seventy-two".