427607872 has 28 divisors (see below), whose sum is σ = 856333060. Its totient is φ = 211838976.

The previous prime is 427607849. The next prime is 427607879. The reversal of 427607872 is 278706724.

It can be written as a sum of positive squares in 2 ways, for example, as 206669376 + 220938496 = 14376^2 + 14864^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427607879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23673 + ... + 37624.

Almost surely, 2^427607872 is an apocalyptic number.

It is an amenable number.

427607872 is an abundant number, since it is smaller than the sum of its proper divisors (428725188).

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

427607872 is a wasteful number, since it uses less digits than its factorization.

427607872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61418 (or 61408 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 427607872 is about 20678.6815827315. The cubic root of 427607872 is about 753.3819841362.

The spelling of 427607872 in words is "four hundred twenty-seven million, six hundred seven thousand, eight hundred seventy-two".