74667144080 has 80 divisors (see below), whose sum is σ = 177867615744. Its totient is φ = 29136944640.

The previous prime is 74667144061. The next prime is 74667144089. The reversal of 74667144080 is 8044176647.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (74667144089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1137434 + ... + 1201286.

Almost surely, 2^74667144080 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 74667144080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88933807872).

74667144080 is an abundant number, since it is smaller than the sum of its proper divisors (103200471664).

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

74667144080 is a wasteful number, since it uses less digits than its factorization.

74667144080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64224 (or 64218 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 74667144080 in words is "seventy-four billion, six hundred sixty-seven million, one hundred forty-four thousand, eighty".