65560072 has 8 divisors (see below), whose sum is σ = 122925150. Its totient is φ = 32780032.

The previous prime is 65560031. The next prime is 65560087. The reversal of 65560072 is 27006556.

It can be written as a sum of positive squares in only one way, i.e., 60746436 + 4813636 = 7794^2 + 2194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4097497 + ... + 4097512.

Almost surely, 2^65560072 is an apocalyptic number.

It is an amenable number.

65560072 is a deficient number, since it is larger than the sum of its proper divisors (57365078).

65560072 is a wasteful number, since it uses less digits than its factorization.

65560072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8195015 (or 8195011 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 65560072 is about 8096.9174381366. The cubic root of 65560072 is about 403.2240932367.

The spelling of 65560072 in words is "sixty-five million, five hundred sixty thousand, seventy-two".