564421272 has 32 divisors (see below), whose sum is σ = 1425606000. Its totient is φ = 186200064.

The previous prime is 564421271. The next prime is 564421283. The reversal of 564421272 is 272124465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564421271) 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 7 ways as a sum of consecutive naturals, for example, 118897 + ... + 123552.

Almost surely, 2^564421272 is an apocalyptic number.

It is an amenable number.

564421272 is an abundant number, since it is smaller than the sum of its proper divisors (861184728).

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

564421272 is a wasteful number, since it uses less digits than its factorization.

564421272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242555 (or 242551 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 564421272 is about 23757.5518940820. The cubic root of 564421272 is about 826.4205813071.

The spelling of 564421272 in words is "five hundred sixty-four million, four hundred twenty-one thousand, two hundred seventy-two".