74885579496 has 384 divisors, whose sum is σ = 264947155200. Its totient is φ = 18542960640.

The previous prime is 74885579473. The next prime is 74885579501. The reversal of 74885579496 is 69497558847.

74885579496 is a `hidden beast` number, since 7 + 4 + 8 + 8 + 5 + 579 + 49 + 6 = 666.

It is a super-2 number, since 2×74885579496² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 90332010 + ... + 90332838.

It is an arithmetic number, because the mean of its divisors is an integer number (689966550).

Almost surely, 2^74885579496 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 74885579496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132473577600).

74885579496 is an abundant number, since it is smaller than the sum of its proper divisors (190061575704).

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

74885579496 is a wasteful number, since it uses less digits than its factorization.

74885579496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689 (or 1682 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 72.

The spelling of 74885579496 in words is "seventy-four billion, eight hundred eighty-five million, five hundred seventy-nine thousand, four hundred ninety-six".