42712432 has 40 divisors (see below), whose sum is σ = 100145376. Its totient is φ = 17227776.

The previous prime is 42712427. The next prime is 42712457. The reversal of 42712432 is 23421724.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42712397 and 42712406.

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, 9313 + ... + 13120.

Almost surely, 2^42712432 is an apocalyptic number.

It is an amenable number.

42712432 is an abundant number, since it is smaller than the sum of its proper divisors (57432944).

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

42712432 is a wasteful number, since it uses less digits than its factorization.

42712432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22465 (or 22459 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 42712432 is about 6535.4748871065. The cubic root of 42712432 is about 349.5570778172.

The spelling of 42712432 in words is "forty-two million, seven hundred twelve thousand, four hundred thirty-two".