74942231 has 8 divisors (see below), whose sum is σ = 92236704. Its totient is φ = 59294880.

The previous prime is 74942227. The next prime is 74942233. The reversal of 74942231 is 13224947.

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 74942231 - 2² = 74942227 is a prime.

It is a super-2 number, since 2×74942231² = 11232675974514722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74942233) 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, 411680 + ... + 411861.

It is an arithmetic number, because the mean of its divisors is an integer number (11529588).

Almost surely, 2^74942231 is an apocalyptic number.

74942231 is a deficient number, since it is larger than the sum of its proper divisors (17294473).

74942231 is a wasteful number, since it uses less digits than its factorization.

74942231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823561.

The product of its digits is 12096, while the sum is 32.

The square root of 74942231 is about 8656.9181005714. The cubic root of 74942231 is about 421.6080287020.

The spelling of 74942231 in words is "seventy-four million, nine hundred forty-two thousand, two hundred thirty-one".