272091492 has 18 divisors (see below), whose sum is σ = 687786918. Its totient is φ = 90697152.

The previous prime is 272091481. The next prime is 272091497. The reversal of 272091492 is 294190272.

It can be written as a sum of positive squares in only one way, i.e., 271063296 + 1028196 = 16464^2 + 1014^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7558097 = 272091492 / (2 + 7 + 2 + 0 + 9 + 1 + 4 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (272091497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3779013 + ... + 3779084.

Almost surely, 2^272091492 is an apocalyptic number.

It is an amenable number.

272091492 is an abundant number, since it is smaller than the sum of its proper divisors (415695426).

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

272091492 is a wasteful number, since it uses less digits than its factorization.

272091492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7558107 (or 7558102 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 272091492 is about 16495.1960279349. The cubic root of 272091492 is about 647.9949988183.

The spelling of 272091492 in words is "two hundred seventy-two million, ninety-one thousand, four hundred ninety-two".