65964044 has 12 divisors (see below), whose sum is σ = 118557264. Its totient is φ = 32090544.

The previous prime is 65964037. The next prime is 65964047. The reversal of 65964044 is 44046956.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65963989 and 65964007.

It is not an unprimeable number, because it can be changed into a prime (65964047) 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, 222704 + ... + 222999.

It is an arithmetic number, because the mean of its divisors is an integer number (9879772).

Almost surely, 2^65964044 is an apocalyptic number.

It is an amenable number.

65964044 is a deficient number, since it is larger than the sum of its proper divisors (52593220).

65964044 is a wasteful number, since it uses less digits than its factorization.

65964044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445744 (or 445742 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 65964044 is about 8121.8251643334. The cubic root of 65964044 is about 404.0506014454.

The spelling of 65964044 in words is "sixty-five million, nine hundred sixty-four thousand, forty-four".