65720048 has 20 divisors (see below), whose sum is σ = 130439568. Its totient is φ = 32058240.

The previous prime is 65720027. The next prime is 65720059. The reversal of 65720048 is 84002756.

It is a junction number, because it is equal to n+sod(n) for n = 65719996 and 65720023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49436 + ... + 50747.

Almost surely, 2^65720048 is an apocalyptic number.

It is an amenable number.

65720048 is a deficient number, since it is larger than the sum of its proper divisors (64719520).

65720048 is a wasteful number, since it uses less digits than its factorization.

65720048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100232 (or 100226 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 65720048 is about 8106.7902402862. The cubic root of 65720048 is about 403.5518017462.

The spelling of 65720048 in words is "sixty-five million, seven hundred twenty thousand, forty-eight".