74538508772 has 48 divisors (see below), whose sum is σ = 160568255232. Its totient is φ = 29483395200.

The previous prime is 74538508763. The next prime is 74538508777. The reversal of 74538508772 is 27780583547.

It is not an unprimeable number, because it can be changed into a prime (74538508777) 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 15 ways as a sum of consecutive naturals, for example, 3684878 + ... + 3705050.

It is an arithmetic number, because the mean of its divisors is an integer number (3345171984).

Almost surely, 2^74538508772 is an apocalyptic number.

It is an amenable number.

74538508772 is an abundant number, since it is smaller than the sum of its proper divisors (86029746460).

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

74538508772 is a wasteful number, since it uses less digits than its factorization.

74538508772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30348 (or 30346 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 56.

The spelling of 74538508772 in words is "seventy-four billion, five hundred thirty-eight million, five hundred eight thousand, seven hundred seventy-two".