42537173 has 8 divisors (see below), whose sum is σ = 49280448. Its totient is φ = 35960544.

The previous prime is 42537169. The next prime is 42537203. The reversal of 42537173 is 37173524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42537173 - 2² = 42537169 is a prime.

It is a super-2 number, since 2×42537173² = 3618822173663858, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42537973) 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, 41111 + ... + 42132.

It is an arithmetic number, because the mean of its divisors is an integer number (6160056).

Almost surely, 2^42537173 is an apocalyptic number.

It is an amenable number.

42537173 is a deficient number, since it is larger than the sum of its proper divisors (6743275).

42537173 is an equidigital number, since it uses as much as digits as its factorization.

42537173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83323.

The product of its digits is 17640, while the sum is 32.

The square root of 42537173 is about 6522.0528210066. The cubic root of 42537173 is about 349.0783178506.

The spelling of 42537173 in words is "forty-two million, five hundred thirty-seven thousand, one hundred seventy-three".