74785101074672 has 20 divisors (see below), whose sum is σ = 149570202150336. Its totient is φ = 36186339229440.

The previous prime is 74785101074647. The next prime is 74785101074701. The reversal of 74785101074672 is 27647010158747.

74785101074672 is an admirable number.

It is a super-2 number, since 2×74785101074672² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75388206233 + ... + 75388207224.

Almost surely, 2^{74785101074672} is an apocalyptic number.

It is an amenable number.

74785101074672 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74785101074672 is a wasteful number, since it uses less digits than its factorization.

74785101074672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150776413496 (or 150776413490 counting only the distinct ones).

The product of its (nonzero) digits is 18439680, while the sum is 59.

The spelling of 74785101074672 in words is "seventy-four trillion, seven hundred eighty-five billion, one hundred one million, seventy-four thousand, six hundred seventy-two".