74793231 has 24 divisors (see below), whose sum is σ = 109798416. Its totient is φ = 49056000.

The previous prime is 74793223. The next prime is 74793241. The reversal of 74793231 is 13239747.

It is not a de Polignac number, because 74793231 - 2³ = 74793223 is a prime.

It is a super-2 number, since 2×74793231² = 11188054806838722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74793241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255121 + ... + 255413.

It is an arithmetic number, because the mean of its divisors is an integer number (4574934).

Almost surely, 2^74793231 is an apocalyptic number.

74793231 is a deficient number, since it is larger than the sum of its proper divisors (35005185).

74793231 is a wasteful number, since it uses less digits than its factorization.

74793231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 660 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 74793231 is about 8648.3079848026. The cubic root of 74793231 is about 421.3284298960.

The spelling of 74793231 in words is "seventy-four million, seven hundred ninety-three thousand, two hundred thirty-one".