74630078754 has 128 divisors (see below), whose sum is σ = 189879275520. Its totient is φ = 18992275200.

The previous prime is 74630078707. The next prime is 74630078849. The reversal of 74630078754 is 45787003647.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74630078697 and 74630078706.

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, 7406832 + ... + 7416900.

It is an arithmetic number, because the mean of its divisors is an integer number (1483431840).

Almost surely, 2^74630078754 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74630078754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94939637760).

74630078754 is an abundant number, since it is smaller than the sum of its proper divisors (115249196766).

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

74630078754 is a wasteful number, since it uses less digits than its factorization.

74630078754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10416.

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 74630078754 in words is "seventy-four billion, six hundred thirty million, seventy-eight thousand, seven hundred fifty-four".