74454504858 has 80 divisors (see below), whose sum is σ = 170766978624. Its totient is φ = 24239537280.

The previous prime is 74454504857. The next prime is 74454504863. The reversal of 74454504858 is 85840545447.

74454504858 is a `hidden beast` number, since 7 + 4 + 4 + 54 + 504 + 85 + 8 = 666.

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 (74454504857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1200466 + ... + 1260962.

Almost surely, 2^74454504858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74454504858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85383489312).

74454504858 is an abundant number, since it is smaller than the sum of its proper divisors (96312473766).

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

74454504858 is a wasteful number, since it uses less digits than its factorization.

74454504858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60689 (or 60680 counting only the distinct ones).

The product of its (nonzero) digits is 14336000, while the sum is 54.

The spelling of 74454504858 in words is "seventy-four billion, four hundred fifty-four million, five hundred four thousand, eight hundred fifty-eight".