74058721721072 has 80 divisors (see below), whose sum is σ = 156730685736960. Its totient is φ = 33620599084800.

The previous prime is 74058721721071. The next prime is 74058721721077. The reversal of 74058721721072 is 27012712785047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74058721721071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1074697754 + ... + 1074766662.

It is an arithmetic number, because the mean of its divisors is an integer number (1959133571712).

Almost surely, 2^{74058721721072} is an apocalyptic number.

It is an amenable number.

74058721721072 is an abundant number, since it is smaller than the sum of its proper divisors (82671964015888).

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

74058721721072 is a wasteful number, since it uses less digits than its factorization.

74058721721072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76542 (or 76536 counting only the distinct ones).

The product of its (nonzero) digits is 3073280, while the sum is 53.

The spelling of 74058721721072 in words is "seventy-four trillion, fifty-eight billion, seven hundred twenty-one million, seven hundred twenty-one thousand, seventy-two".