274992479 has 4 divisors (see below), whose sum is σ = 275051376. Its totient is φ = 274933584.

The previous prime is 274992409. The next prime is 274992499. The reversal of 274992479 is 974299472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274992479 is a prime.

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 274992479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274992409) 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 3 ways as a sum of consecutive naturals, for example, 21779 + ... + 32004.

It is an arithmetic number, because the mean of its divisors is an integer number (68762844).

Almost surely, 2^274992479 is an apocalyptic number.

274992479 is a deficient number, since it is larger than the sum of its proper divisors (58897).

274992479 is an equidigital number, since it uses as much as digits as its factorization.

274992479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58896.

The product of its digits is 2286144, while the sum is 53.

The square root of 274992479 is about 16582.8971835443. The cubic root of 274992479 is about 650.2897950394.

The spelling of 274992479 in words is "two hundred seventy-four million, nine hundred ninety-two thousand, four hundred seventy-nine".