74430374260 has 72 divisors (see below), whose sum is σ = 173735883720. Its totient is φ = 26761405440.

The previous prime is 74430374231. The next prime is 74430374273. The reversal of 74430374260 is 6247303447.

It can be written as a sum of positive squares in 4 ways, for example, as 1336926096 + 73093448164 = 36564^2 + 270358^2 .

It is a super-2 number, since 2×74430374260² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42592 + ... + 388168.

It is an arithmetic number, because the mean of its divisors is an integer number (2412998385).

Almost surely, 2^74430374260 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 74430374260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86867941860).

74430374260 is an abundant number, since it is smaller than the sum of its proper divisors (99305509460).

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

74430374260 is a wasteful number, since it uses less digits than its factorization.

74430374260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345697 (or 345684 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 40.

The spelling of 74430374260 in words is "seventy-four billion, four hundred thirty million, three hundred seventy-four thousand, two hundred sixty".