65965964 has 12 divisors (see below), whose sum is σ = 115684800. Its totient is φ = 32913168.

The previous prime is 65965961. The next prime is 65965987. The reversal of 65965964 is 46956956.

It is not an unprimeable number, because it can be changed into a prime (65965961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15299 + ... + 19130.

It is an arithmetic number, because the mean of its divisors is an integer number (9640400).

Almost surely, 2^65965964 is an apocalyptic number.

It is an amenable number.

65965964 is a deficient number, since it is larger than the sum of its proper divisors (49718836).

65965964 is a wasteful number, since it uses less digits than its factorization.

65965964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34912 (or 34910 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 50.

The square root of 65965964 is about 8121.9433635061. The cubic root of 65965964 is about 404.0545216095.

The spelling of 65965964 in words is "sixty-five million, nine hundred sixty-five thousand, nine hundred sixty-four".