42886732 has 12 divisors (see below), whose sum is σ = 85773520. Its totient is φ = 18380016.

The previous prime is 42886717. The next prime is 42886741. The reversal of 42886732 is 23768824.

42886732 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765807 + ... + 765862.

Almost surely, 2^42886732 is an apocalyptic number.

It is an amenable number.

42886732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42886732 is a wasteful number, since it uses less digits than its factorization.

42886732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531680 (or 1531678 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 42886732 is about 6548.7962252616. The cubic root of 42886732 is about 350.0319208982.

The spelling of 42886732 in words is "forty-two million, eight hundred eighty-six thousand, seven hundred thirty-two".