65212764 has 24 divisors (see below), whose sum is σ = 157410960. Its totient is φ = 20987904.

The previous prime is 65212757. The next prime is 65212781. The reversal of 65212764 is 46721256.

65212764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93349 + ... + 94044.

It is an arithmetic number, because the mean of its divisors is an integer number (6558790).

Almost surely, 2^65212764 is an apocalyptic number.

It is an amenable number.

65212764 is an abundant number, since it is smaller than the sum of its proper divisors (92198196).

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

65212764 is a wasteful number, since it uses less digits than its factorization.

65212764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187429 (or 187427 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 65212764 is about 8075.4420312451. The cubic root of 65212764 is about 402.5107984192.

The spelling of 65212764 in words is "sixty-five million, two hundred twelve thousand, seven hundred sixty-four".