74745263 has 2 divisors, whose sum is σ = 74745264. Its totient is φ = 74745262.

The previous prime is 74745199. The next prime is 74745283. The reversal of 74745263 is 36254747.

It is a strong prime.

It is an emirp because it is prime and its reverse (36254747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74745263 - 2⁶ = 74745199 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74745283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37372631 + 37372632.

It is an arithmetic number, because the mean of its divisors is an integer number (37372632).

Almost surely, 2^74745263 is an apocalyptic number.

74745263 is a deficient number, since it is larger than the sum of its proper divisors (1).

74745263 is an equidigital number, since it uses as much as digits as its factorization.

74745263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 38.

The square root of 74745263 is about 8645.5342807718. The cubic root of 74745263 is about 421.2383388366.

The spelling of 74745263 in words is "seventy-four million, seven hundred forty-five thousand, two hundred sixty-three".