74437207488 has 504 divisors, whose sum is σ = 261586870272. Its totient is φ = 19819634688.

The previous prime is 74437207463. The next prime is 74437207501. The reversal of 74437207488 is 88470273447.

It is a tau number, because it is divible by the number of its divisors (504).

It is a super-2 number, since 2×74437207488² (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 71 ways as a sum of consecutive naturals, for example, 147986245 + ... + 147986747.

It is an arithmetic number, because the mean of its divisors is an integer number (519021568).

Almost surely, 2^74437207488 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 74437207488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130793435136).

74437207488 is an abundant number, since it is smaller than the sum of its proper divisors (187149662784).

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

74437207488 is a wasteful number, since it uses less digits than its factorization.

74437207488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 8429568, while the sum is 54.

The spelling of 74437207488 in words is "seventy-four billion, four hundred thirty-seven million, two hundred seven thousand, four hundred eighty-eight".