42572520 has 64 divisors (see below), whose sum is σ = 141912000. Its totient is φ = 11352384.

The previous prime is 42572513. The next prime is 42572561. The reversal of 42572520 is 2527524.

42572520 is a `hidden beast` number, since 42 + 572 + 52 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18630 + ... + 20789.

It is an arithmetic number, because the mean of its divisors is an integer number (2217375).

Almost surely, 2^42572520 is an apocalyptic number.

42572520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42572520 is an abundant number, since it is smaller than the sum of its proper divisors (99339480).

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

42572520 is a wasteful number, since it uses less digits than its factorization.

42572520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39439 (or 39429 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 42572520 is about 6524.7620646273. The cubic root of 42572520 is about 349.1749819702.

The spelling of 42572520 in words is "forty-two million, five hundred seventy-two thousand, five hundred twenty".