65979044 has 6 divisors (see below), whose sum is σ = 115463334. Its totient is φ = 32989520.

The previous prime is 65979041. The next prime is 65979059. The reversal of 65979044 is 44097956.

It can be written as a sum of positive squares in only one way, i.e., 37356544 + 28622500 = 6112^2 + 5350^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65978986 and 65979004.

It is not an unprimeable number, because it can be changed into a prime (65979041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8247377 + ... + 8247384.

It is an arithmetic number, because the mean of its divisors is an integer number (19243889).

Almost surely, 2^65979044 is an apocalyptic number.

It is an amenable number.

65979044 is a deficient number, since it is larger than the sum of its proper divisors (49484290).

65979044 is a wasteful number, since it uses less digits than its factorization.

65979044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16494765 (or 16494763 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 65979044 is about 8122.7485495982. The cubic root of 65979044 is about 404.0812257033.

The spelling of 65979044 in words is "sixty-five million, nine hundred seventy-nine thousand, forty-four".