272630556 has 48 divisors (see below), whose sum is σ = 771079680. Its totient is φ = 82614960.

The previous prime is 272630551. The next prime is 272630591. The reversal of 272630556 is 655036272.

It is a happy number.

272630556 is a `hidden beast` number, since 2 + 72 + 6 + 30 + 556 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 272630556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272630551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113556 + ... + 115931.

It is an arithmetic number, because the mean of its divisors is an integer number (16064160).

Almost surely, 2^272630556 is an apocalyptic number.

It is an amenable number.

272630556 is an abundant number, since it is smaller than the sum of its proper divisors (498449124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272630556 is a wasteful number, since it uses less digits than its factorization.

272630556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229511 (or 229503 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 272630556 is about 16511.5279729043. The cubic root of 272630556 is about 648.4226495125.

The spelling of 272630556 in words is "two hundred seventy-two million, six hundred thirty thousand, five hundred fifty-six".