42172592 has 40 divisors (see below), whose sum is σ = 101874432. Its totient is φ = 16430400.

The previous prime is 42172591. The next prime is 42172607. The reversal of 42172592 is 29527124.

It is not an unprimeable number, because it can be changed into a prime (42172591) 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, 15884 + ... + 18347.

Almost surely, 2^42172592 is an apocalyptic number.

It is an amenable number.

42172592 is an abundant number, since it is smaller than the sum of its proper divisors (59701840).

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

42172592 is a wasteful number, since it uses less digits than its factorization.

42172592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34257 (or 34251 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 42172592 is about 6494.0428086054. The cubic root of 42172592 is about 348.0781521750.

The spelling of 42172592 in words is "forty-two million, one hundred seventy-two thousand, five hundred ninety-two".