74913263 has 2 divisors, whose sum is σ = 74913264. Its totient is φ = 74913262.

The previous prime is 74913259. The next prime is 74913281. The reversal of 74913263 is 36231947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74913263 - 2² = 74913259 is a prime.

It is a super-2 number, since 2×74913263² = 11223993946614338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74913233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37456631 + 37456632.

It is an arithmetic number, because the mean of its divisors is an integer number (37456632).

Almost surely, 2^74913263 is an apocalyptic number.

74913263 is a deficient number, since it is larger than the sum of its proper divisors (1).

74913263 is an equidigital number, since it uses as much as digits as its factorization.

74913263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 74913263 is about 8655.2448261156. The cubic root of 74913263 is about 421.5536992308.

The spelling of 74913263 in words is "seventy-four million, nine hundred thirteen thousand, two hundred sixty-three".