427522860 has 120 divisors (see below), whose sum is σ = 1384580736. Its totient is φ = 110315520.

The previous prime is 427522859. The next prime is 427522861. The reversal of 427522860 is 68225724.

427522860 is a `hidden beast` number, since 427 + 5 + 228 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (427522859) and next prime (427522861).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (427522861) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45964 + ... + 54476.

Almost surely, 2^427522860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427522860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692290368).

427522860 is an abundant number, since it is smaller than the sum of its proper divisors (957057876).

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

427522860 is a wasteful number, since it uses less digits than its factorization.

427522860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8565 (or 8554 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 427522860 is about 20676.6259336479. The cubic root of 427522860 is about 753.3320546267.

The spelling of 427522860 in words is "four hundred twenty-seven million, five hundred twenty-two thousand, eight hundred sixty".