274672641 has 4 divisors (see below), whose sum is σ = 366230192. Its totient is φ = 183115092.

The previous prime is 274672637. The next prime is 274672649. The reversal of 274672641 is 146276472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 274672641 - 2² = 274672637 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 274672641.

It is not an unprimeable number, because it can be changed into a prime (274672649) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 45778771 + ... + 45778776.

It is an arithmetic number, because the mean of its divisors is an integer number (91557548).

Almost surely, 2^274672641 is an apocalyptic number.

It is an amenable number.

274672641 is a deficient number, since it is larger than the sum of its proper divisors (91557551).

274672641 is an equidigital number, since it uses as much as digits as its factorization.

274672641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91557550.

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

The square root of 274672641 is about 16573.2507674264. The cubic root of 274672641 is about 650.0375844145.

The spelling of 274672641 in words is "two hundred seventy-four million, six hundred seventy-two thousand, six hundred forty-one".