42736568 has 32 divisors (see below), whose sum is σ = 91951200. Its totient is φ = 18241152.

The previous prime is 42736543. The next prime is 42736579. The reversal of 42736568 is 86563724.

It is a happy number.

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, 13646 + ... + 16482.

It is an arithmetic number, because the mean of its divisors is an integer number (2873475).

Almost surely, 2^42736568 is an apocalyptic number.

It is an amenable number.

42736568 is an abundant number, since it is smaller than the sum of its proper divisors (49214632).

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

42736568 is a wasteful number, since it uses less digits than its factorization.

42736568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119 (or 3115 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 42736568 is about 6537.3211639019. The cubic root of 42736568 is about 349.6229081509.

The spelling of 42736568 in words is "forty-two million, seven hundred thirty-six thousand, five hundred sixty-eight".