74504081663 has 16 divisors (see below), whose sum is σ = 88834268160. Its totient is φ = 61690454400.

The previous prime is 74504081653. The next prime is 74504081671. The reversal of 74504081663 is 36618040547.

It is a cyclic number.

It is not a de Polignac number, because 74504081663 - 2¹⁰ = 74504080639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74504081653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6420293 + ... + 6431886.

It is an arithmetic number, because the mean of its divisors is an integer number (5552141760).

Almost surely, 2^74504081663 is an apocalyptic number.

74504081663 is a deficient number, since it is larger than the sum of its proper divisors (14330186497).

74504081663 is a wasteful number, since it uses less digits than its factorization.

74504081663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12852238.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 74504081663 in words is "seventy-four billion, five hundred four million, eighty-one thousand, six hundred sixty-three".