42510972 has 24 divisors (see below), whose sum is σ = 113362816. Its totient is φ = 12145968.

The previous prime is 42510967. The next prime is 42510989. The reversal of 42510972 is 27901524.

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, 252958 + ... + 253125.

Almost surely, 2^42510972 is an apocalyptic number.

42510972 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42510972 is an abundant number, since it is smaller than the sum of its proper divisors (70851844).

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

42510972 is a wasteful number, since it uses less digits than its factorization.

42510972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506097 (or 506095 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 42510972 is about 6520.0438648831. The cubic root of 42510972 is about 349.0066309088.

The spelling of 42510972 in words is "forty-two million, five hundred ten thousand, nine hundred seventy-two".