74431168488 has 64 divisors (see below), whose sum is σ = 207680524800. Its totient is φ = 24699116160.

The previous prime is 74431168481. The next prime is 74431168489. The reversal of 74431168488 is 88486113447.

74431168488 is a `hidden beast` number, since 7 + 4 + 43 + 116 + 8 + 488 = 666.

It is a super-2 number, since 2×74431168488² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (74431168481) 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, 724453 + ... + 820788.

It is an arithmetic number, because the mean of its divisors is an integer number (3245008200).

Almost surely, 2^74431168488 is an apocalyptic number.

It is an amenable number.

74431168488 is an abundant number, since it is smaller than the sum of its proper divisors (133249356312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74431168488 is a wasteful number, since it uses less digits than its factorization.

74431168488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545479 (or 1545469 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 54.

The spelling of 74431168488 in words is "seventy-four billion, four hundred thirty-one million, one hundred sixty-eight thousand, four hundred eighty-eight".