42597732 has 12 divisors (see below), whose sum is σ = 99394736. Its totient is φ = 14199240.

The previous prime is 42597727. The next prime is 42597739. The reversal of 42597732 is 23779524.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (42597739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1774894 + ... + 1774917.

Almost surely, 2^42597732 is an apocalyptic number.

It is an amenable number.

42597732 is an abundant number, since it is smaller than the sum of its proper divisors (56797004).

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

42597732 is a wasteful number, since it uses less digits than its factorization.

42597732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549818 (or 3549816 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 42597732 is about 6526.6938031441. The cubic root of 42597732 is about 349.2438970230.

The spelling of 42597732 in words is "forty-two million, five hundred ninety-seven thousand, seven hundred thirty-two".