74457563 has 2 divisors, whose sum is σ = 74457564. Its totient is φ = 74457562.

The previous prime is 74457479. The next prime is 74457577. The reversal of 74457563 is 36575447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74457563 - 2⁸ = 74457307 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74457563.

It is not a weakly prime, because it can be changed into another prime (74457863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37228781 + 37228782.

It is an arithmetic number, because the mean of its divisors is an integer number (37228782).

Almost surely, 2^74457563 is an apocalyptic number.

74457563 is a deficient number, since it is larger than the sum of its proper divisors (1).

74457563 is an equidigital number, since it uses as much as digits as its factorization.

74457563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 41.

The square root of 74457563 is about 8628.8795912332. The cubic root of 74457563 is about 420.6971848395.

The spelling of 74457563 in words is "seventy-four million, four hundred fifty-seven thousand, five hundred sixty-three".