74865718290 has 128 divisors (see below), whose sum is σ = 204744443904. Its totient is φ = 17342336000.

The previous prime is 74865718283. The next prime is 74865718303. The reversal of 74865718290 is 9281756847.

It is a self number, because there is not a number n which added to its sum of digits gives 74865718290.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8276170 + ... + 8285210.

It is an arithmetic number, because the mean of its divisors is an integer number (1599565968).

Almost surely, 2^74865718290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74865718290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102372221952).

74865718290 is an abundant number, since it is smaller than the sum of its proper divisors (129878725614).

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

74865718290 is a wasteful number, since it uses less digits than its factorization.

74865718290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10176.

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 74865718290 in words is "seventy-four billion, eight hundred sixty-five million, seven hundred eighteen thousand, two hundred ninety".