74173231 has 8 divisors (see below), whose sum is σ = 81386064. Its totient is φ = 67038720.

The previous prime is 74173219. The next prime is 74173259. The reversal of 74173231 is 13237147.

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 74173231 - 2⁷ = 74173103 is a prime.

It is a super-2 number, since 2×74173231² = 11003336393958722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74173231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74173201) 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, 17586 + ... + 21391.

It is an arithmetic number, because the mean of its divisors is an integer number (10173258).

Almost surely, 2^74173231 is an apocalyptic number.

74173231 is a deficient number, since it is larger than the sum of its proper divisors (7212833).

74173231 is a wasteful number, since it uses less digits than its factorization.

74173231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39161.

The product of its digits is 3528, while the sum is 28.

The square root of 74173231 is about 8612.3882285926. The cubic root of 74173231 is about 420.1609945910.

It can be divided in two parts, 7417 and 3231, that added together give a cube (10648 = 22³).

The spelling of 74173231 in words is "seventy-four million, one hundred seventy-three thousand, two hundred thirty-one".