74932231 has 4 divisors (see below), whose sum is σ = 81744264. Its totient is φ = 68120200.

The previous prime is 74932223. The next prime is 74932267. The reversal of 74932231 is 13223947.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74932231 - 2³ = 74932223 is a prime.

It is a super-2 number, since 2×74932231² = 11229678485274722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74932193 and 74932202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74932031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3406000 + ... + 3406021.

It is an arithmetic number, because the mean of its divisors is an integer number (20436066).

Almost surely, 2^74932231 is an apocalyptic number.

74932231 is a deficient number, since it is larger than the sum of its proper divisors (6812033).

74932231 is a wasteful number, since it uses less digits than its factorization.

74932231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812032.

The product of its digits is 9072, while the sum is 31.

The square root of 74932231 is about 8656.3405085521. The cubic root of 74932231 is about 421.5892752890.

The spelling of 74932231 in words is "seventy-four million, nine hundred thirty-two thousand, two hundred thirty-one".