74120313090 has 32 divisors (see below), whose sum is σ = 187251318720. Its totient is φ = 18725131584.

The previous prime is 74120313079. The next prime is 74120313097. The reversal of 74120313090 is 9031302147.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (74120313097) 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, 65017249 + ... + 65018388.

It is an arithmetic number, because the mean of its divisors is an integer number (5851603710).

Almost surely, 2^74120313090 is an apocalyptic number.

74120313090 is an abundant number, since it is smaller than the sum of its proper divisors (113131005630).

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

74120313090 is a wasteful number, since it uses less digits than its factorization.

74120313090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130035666.

The product of its (nonzero) digits is 4536, while the sum is 30.

The spelling of 74120313090 in words is "seventy-four billion, one hundred twenty million, three hundred thirteen thousand, ninety".