74473731863 has 2 divisors, whose sum is σ = 74473731864. Its totient is φ = 74473731862.

The previous prime is 74473731833. The next prime is 74473731877. The reversal of 74473731863 is 36813737447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74473731863 - 2¹² = 74473727767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74473731823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37236865931 + 37236865932.

It is an arithmetic number, because the mean of its divisors is an integer number (37236865932).

Almost surely, 2^74473731863 is an apocalyptic number.

74473731863 is a deficient number, since it is larger than the sum of its proper divisors (1).

74473731863 is an equidigital number, since it uses as much as digits as its factorization.

74473731863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7112448, while the sum is 53.

The spelling of 74473731863 in words is "seventy-four billion, four hundred seventy-three million, seven hundred thirty-one thousand, eight hundred sixty-three".