42173192 has 64 divisors (see below), whose sum is σ = 89262000. Its totient is φ = 18643968.

The previous prime is 42173189. The next prime is 42173231. The reversal of 42173192 is 29137124.

It can be written as a sum of positive squares in 8 ways, for example, as 32649796 + 9523396 = 5714^2 + 3086^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1139798 + ... + 1139834.

Almost surely, 2^42173192 is an apocalyptic number.

It is an amenable number.

42173192 is an abundant number, since it is smaller than the sum of its proper divisors (47088808).

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

42173192 is a wasteful number, since it uses less digits than its factorization.

42173192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 85 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 42173192 is about 6494.0890046257. The cubic root of 42173192 is about 348.0798028988.

The spelling of 42173192 in words is "forty-two million, one hundred seventy-three thousand, one hundred ninety-two".