274432356 has 81 divisors (see below), whose sum is σ = 765551059. Its totient is φ = 82830000.

The previous prime is 274432337. The next prime is 274432391. The reversal of 274432356 is 653234472.

The square root of 274432356 is 16566.

It is a perfect power (a square), and thus also a powerful number.

274432356 is a `hidden beast` number, since 274 + 4 + 32 + 356 = 666.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 274432356.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1093231 + ... + 1093481.

Almost surely, 2^274432356 is an apocalyptic number.

274432356 is the 16566-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274432356

274432356 is an abundant number, since it is smaller than the sum of its proper divisors (491118703).

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

274432356 is a wasteful number, since it uses less digits than its factorization.

274432356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 267 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The cubic root of 274432356 is about 649.8479770707.

Multiplying 274432356 by its sum of digits (36), we get a square (9879564816 = 99396²).

274432356 divided by its sum of digits (36) gives a square (7623121 = 2761²).

The spelling of 274432356 in words is "two hundred seventy-four million, four hundred thirty-two thousand, three hundred fifty-six".