74655331 has 2 divisors, whose sum is σ = 74655332. Its totient is φ = 74655330.

The previous prime is 74655319. The next prime is 74655337. The reversal of 74655331 is 13355647.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74655331 - 2¹¹ = 74653283 is a prime.

It is a super-2 number, since 2×74655331² = 11146836893439122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74655337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37327665 + 37327666.

It is an arithmetic number, because the mean of its divisors is an integer number (37327666).

Almost surely, 2^74655331 is an apocalyptic number.

74655331 is a deficient number, since it is larger than the sum of its proper divisors (1).

74655331 is an equidigital number, since it uses as much as digits as its factorization.

74655331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 34.

The square root of 74655331 is about 8640.3316487274. The cubic root of 74655331 is about 421.0693291977.

The spelling of 74655331 in words is "seventy-four million, six hundred fifty-five thousand, three hundred thirty-one".