74032126720 has 72 divisors (see below), whose sum is σ = 183050501760. Its totient is φ = 28657582080.

The previous prime is 74032126667. The next prime is 74032126769. The reversal of 74032126720 is 2762123047.

It is a super-2 number, since 2×74032126720² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893185 + ... + 972544.

It is an arithmetic number, because the mean of its divisors is an integer number (2542368080).

Almost surely, 2^74032126720 is an apocalyptic number.

It is an amenable number.

74032126720 is an abundant number, since it is smaller than the sum of its proper divisors (109018375040).

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

74032126720 is a wasteful number, since it uses less digits than its factorization.

74032126720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865781 (or 1865767 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 74032126720 its reverse (2762123047), we get a palindrome (76794249767).

The spelling of 74032126720 in words is "seventy-four billion, thirty-two million, one hundred twenty-six thousand, seven hundred twenty".