427569564 has 24 divisors (see below), whose sum is σ = 1002025360. Its totient is φ = 141899904.

The previous prime is 427569551. The next prime is 427569587. The reversal of 427569564 is 465965724.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75049 + ... + 80544.

Almost surely, 2^427569564 is an apocalyptic number.

It is an amenable number.

427569564 is an abundant number, since it is smaller than the sum of its proper divisors (574455796).

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

427569564 is a wasteful number, since it uses less digits than its factorization.

427569564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155829 (or 155827 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The square root of 427569564 is about 20677.7552940352. The cubic root of 427569564 is about 753.3594857829.

The spelling of 427569564 in words is "four hundred twenty-seven million, five hundred sixty-nine thousand, five hundred sixty-four".