65715628 has 12 divisors (see below), whose sum is σ = 125457192. Its totient is φ = 29870720.

The previous prime is 65715619. The next prime is 65715673. The reversal of 65715628 is 82651756.

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, 746725 + ... + 746812.

It is an arithmetic number, because the mean of its divisors is an integer number (10454766).

Almost surely, 2^65715628 is an apocalyptic number.

It is an amenable number.

65715628 is a deficient number, since it is larger than the sum of its proper divisors (59741564).

65715628 is a wasteful number, since it uses less digits than its factorization.

65715628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493552 (or 1493550 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 65715628 is about 8106.5176247264. The cubic root of 65715628 is about 403.5427545884.

The spelling of 65715628 in words is "sixty-five million, seven hundred fifteen thousand, six hundred twenty-eight".