42591292 has 24 divisors (see below), whose sum is σ = 78427440. Its totient is φ = 20211840.

The previous prime is 42591271. The next prime is 42591299. The reversal of 42591292 is 29219524.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42591299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2559 + ... + 9577.

It is an arithmetic number, because the mean of its divisors is an integer number (3267810).

Almost surely, 2^42591292 is an apocalyptic number.

It is an amenable number.

42591292 is a deficient number, since it is larger than the sum of its proper divisors (35836148).

42591292 is a wasteful number, since it uses less digits than its factorization.

42591292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7101 (or 7099 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 42591292 is about 6526.2004259753. The cubic root of 42591292 is about 349.2262963673.

The spelling of 42591292 in words is "forty-two million, five hundred ninety-one thousand, two hundred ninety-two".