427274428 has 24 divisors (see below), whose sum is σ = 855568224. Its totient is φ = 182899200.

The previous prime is 427274389. The next prime is 427274431. The reversal of 427274428 is 824472724.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16008 + ... + 33328.

It is an arithmetic number, because the mean of its divisors is an integer number (35648676).

Almost surely, 2^427274428 is an apocalyptic number.

It is an amenable number.

427274428 is an abundant number, since it is smaller than the sum of its proper divisors (428293796).

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

427274428 is a wasteful number, since it uses less digits than its factorization.

427274428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18213 (or 18211 counting only the distinct ones).

The product of its digits is 200704, while the sum is 40.

The square root of 427274428 is about 20670.6175040805. The cubic root of 427274428 is about 753.1861068351.

The spelling of 427274428 in words is "four hundred twenty-seven million, two hundred seventy-four thousand, four hundred twenty-eight".