74423381760 has 1296 divisors, whose sum is σ = 328639094784. Its totient is φ = 15216574464.

The previous prime is 74423381743. The next prime is 74423381789. The reversal of 74423381760 is 6718332447.

74423381760 is a `hidden beast` number, since 7 + 442 + 3 + 38 + 176 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 586010817 + ... + 586010943.

Almost surely, 2^74423381760 is an apocalyptic number.

74423381760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74423381760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164319547392).

74423381760 is an abundant number, since it is smaller than the sum of its proper divisors (254215713024).

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

74423381760 is a wasteful number, since it uses less digits than its factorization.

74423381760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 74423381760 in words is "seventy-four billion, four hundred twenty-three million, three hundred eighty-one thousand, seven hundred sixty".