274738431 has 32 divisors (see below), whose sum is σ = 424627200. Its totient is φ = 156401280.

The previous prime is 274738421. The next prime is 274738433. The reversal of 274738431 is 134837472.

It is not a de Polignac number, because 274738431 - 2⁹ = 274737919 is a prime.

It is a super-2 number, since 2×274738431² = 150962410936683522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 274738431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274738433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31530 + ... + 39288.

It is an arithmetic number, because the mean of its divisors is an integer number (13269600).

Almost surely, 2^274738431 is an apocalyptic number.

274738431 is a deficient number, since it is larger than the sum of its proper divisors (149888769).

274738431 is a wasteful number, since it uses less digits than its factorization.

274738431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7839.

The product of its digits is 112896, while the sum is 39.

The square root of 274738431 is about 16575.2354734405. The cubic root of 274738431 is about 650.0894795948.

The spelling of 274738431 in words is "two hundred seventy-four million, seven hundred thirty-eight thousand, four hundred thirty-one".