274672421 has 4 divisors (see below), whose sum is σ = 275310144. Its totient is φ = 274034700.

The previous prime is 274672397. The next prime is 274672439. The reversal of 274672421 is 124276472.

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 a cyclic number.

It is not a de Polignac number, because 274672421 - 2⁶ = 274672357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274672471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318215 + ... + 319076.

It is an arithmetic number, because the mean of its divisors is an integer number (68827536).

Almost surely, 2^274672421 is an apocalyptic number.

It is an amenable number.

274672421 is a deficient number, since it is larger than the sum of its proper divisors (637723).

274672421 is an equidigital number, since it uses as much as digits as its factorization.

274672421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637722.

The product of its digits is 37632, while the sum is 35.

The square root of 274672421 is about 16573.2441302239. The cubic root of 274672421 is about 650.0374108645.

The spelling of 274672421 in words is "two hundred seventy-four million, six hundred seventy-two thousand, four hundred twenty-one".