74617741272 has 32 divisors (see below), whose sum is σ = 192561914880. Its totient is φ = 24070238880.

The previous prime is 74617741271. The next prime is 74617741291. The reversal of 74617741272 is 27214771647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74617741271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50145588 + ... + 50147075.

It is an arithmetic number, because the mean of its divisors is an integer number (6017559840).

Almost surely, 2^74617741272 is an apocalyptic number.

It is an amenable number.

74617741272 is an abundant number, since it is smaller than the sum of its proper divisors (117944173608).

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

74617741272 is a wasteful number, since it uses less digits than its factorization.

74617741272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100292703 (or 100292699 counting only the distinct ones).

The product of its digits is 921984, while the sum is 48.

The spelling of 74617741272 in words is "seventy-four billion, six hundred seventeen million, seven hundred forty-one thousand, two hundred seventy-two".