72655048 has 8 divisors (see below), whose sum is σ = 136228230. Its totient is φ = 36327520.

The previous prime is 72655039. The next prime is 72655097. The reversal of 72655048 is 84055627.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 71267364 + 1387684 = 8442^2 + 1178^2 .

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 72654998 and 72655016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4540933 + ... + 4540948.

Almost surely, 2^72655048 is an apocalyptic number.

It is an amenable number.

72655048 is a deficient number, since it is larger than the sum of its proper divisors (63573182).

72655048 is a wasteful number, since it uses less digits than its factorization.

72655048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9081887 (or 9081883 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 72655048 is about 8523.7930523916. The cubic root of 72655048 is about 417.2745825583.

The spelling of 72655048 in words is "seventy-two million, six hundred fifty-five thousand, forty-eight".