74830231 has 16 divisors (see below), whose sum is σ = 87379200. Its totient is φ = 62756928.

The previous prime is 74830229. The next prime is 74830241. The reversal of 74830231 is 13203847.

It is a cyclic number.

It is not a de Polignac number, because 74830231 - 2¹ = 74830229 is a prime.

It is a super-2 number, since 2×74830231² = 11199126943026722, 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 74830231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74830211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168696 + ... + 169138.

It is an arithmetic number, because the mean of its divisors is an integer number (5461200).

Almost surely, 2^74830231 is an apocalyptic number.

74830231 is a deficient number, since it is larger than the sum of its proper divisors (12548969).

74830231 is a wasteful number, since it uses less digits than its factorization.

74830231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 74830231 is about 8650.4468670699. The cubic root of 74830231 is about 421.3978951036.

The spelling of 74830231 in words is "seventy-four million, eight hundred thirty thousand, two hundred thirty-one".