74616755472 has 600 divisors, whose sum is σ = 268473173760. Its totient is φ = 19904693760.

The previous prime is 74616755359. The next prime is 74616755491. The reversal of 74616755472 is 27455761647.

74616755472 is a `hidden beast` number, since 7 + 4 + 6 + 16 + 7 + 554 + 72 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 57089443 + ... + 57090749.

Almost surely, 2^74616755472 is an apocalyptic number.

74616755472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74616755472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134236586880).

74616755472 is an abundant number, since it is smaller than the sum of its proper divisors (193856418288).

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

74616755472 is a wasteful number, since it uses less digits than its factorization.

74616755472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1379 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 54.

The spelling of 74616755472 in words is "seventy-four billion, six hundred sixteen million, seven hundred fifty-five thousand, four hundred seventy-two".