74108259136 has 112 divisors (see below), whose sum is σ = 151722514944. Its totient is φ = 35902365696.

The previous prime is 74108259133. The next prime is 74108259143. The reversal of 74108259136 is 63195280147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74108259133) 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, 86473620 + ... + 86474476.

It is an arithmetic number, because the mean of its divisors is an integer number (1354665312).

It is a 1-persistent number, because it is pandigital, but 2⋅74108259136 = 148216518272 is not.

Almost surely, 2^74108259136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74108259136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75861257472).

74108259136 is an abundant number, since it is smaller than the sum of its proper divisors (77614255808).

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

74108259136 is a wasteful number, since it uses less digits than its factorization.

74108259136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 74108259136 in words is "seventy-four billion, one hundred eight million, two hundred fifty-nine thousand, one hundred thirty-six".