74660782860 has 336 divisors, whose sum is σ = 241173230592. Its totient is φ = 19399564800.

The previous prime is 74660782849. The next prime is 74660782871. The reversal of 74660782860 is 6828706647.

74660782860 is a `hidden beast` number, since 7 + 4 + 6 + 607 + 8 + 28 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (74660782849) and next prime (74660782871).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 74660782797 and 74660782806.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 112950930 + ... + 112951590.

It is an arithmetic number, because the mean of its divisors is an integer number (717777472).

Almost surely, 2^74660782860 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 74660782860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120586615296).

74660782860 is an abundant number, since it is smaller than the sum of its proper divisors (166512447732).

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

74660782860 is a wasteful number, since it uses less digits than its factorization.

74660782860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 74660782860 in words is "seventy-four billion, six hundred sixty million, seven hundred eighty-two thousand, eight hundred sixty".