274428966 has 32 divisors (see below), whose sum is σ = 632217600. Its totient is φ = 77789376.

The previous prime is 274428953. The next prime is 274428971. The reversal of 274428966 is 669824472.

It is a super-2 number, since 2×274428966² = 150622514759658312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20391 + ... + 31058.

It is an arithmetic number, because the mean of its divisors is an integer number (19756800).

Almost surely, 2^274428966 is an apocalyptic number.

274428966 is an abundant number, since it is smaller than the sum of its proper divisors (357788634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274428966 is a wasteful number, since it uses less digits than its factorization.

274428966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51588.

The product of its digits is 1161216, while the sum is 48.

The square root of 274428966 is about 16565.8976816833. The cubic root of 274428966 is about 649.8453012520.

The spelling of 274428966 in words is "two hundred seventy-four million, four hundred twenty-eight thousand, nine hundred sixty-six".