274662021 has 16 divisors (see below), whose sum is σ = 383685120. Its totient is φ = 174438000.

The previous prime is 274662007. The next prime is 274662029. The reversal of 274662021 is 120266472.

It is not a de Polignac number, because 274662021 - 2⁹ = 274661509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 274662021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274662029) 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 15 ways as a sum of consecutive naturals, for example, 9390 + ... + 25248.

It is an arithmetic number, because the mean of its divisors is an integer number (23980320).

Almost surely, 2^274662021 is an apocalyptic number.

It is an amenable number.

274662021 is a deficient number, since it is larger than the sum of its proper divisors (109023099).

274662021 is a wasteful number, since it uses less digits than its factorization.

274662021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16136.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 274662021 is about 16572.9303685257. The cubic root of 274662021 is about 650.0292065772.

The spelling of 274662021 in words is "two hundred seventy-four million, six hundred sixty-two thousand, twenty-one".