74322078160 has 160 divisors (see below), whose sum is σ = 193614572160. Its totient is φ = 26303232000.

The previous prime is 74322078079. The next prime is 74322078163. The reversal of 74322078160 is 6187022347.

It is a super-2 number, since 2×74322078160² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74322078163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5236834 + ... + 5251006.

It is an arithmetic number, because the mean of its divisors is an integer number (1210091076).

Almost surely, 2^74322078160 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 74322078160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96807286080).

74322078160 is an abundant number, since it is smaller than the sum of its proper divisors (119292494000).

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

74322078160 is a wasteful number, since it uses less digits than its factorization.

74322078160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14357 (or 14351 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 74322078160 in words is "seventy-four billion, three hundred twenty-two million, seventy-eight thousand, one hundred sixty".