74080448081 has 16 divisors (see below), whose sum is σ = 77893291008. Its totient is φ = 70318894800.

The previous prime is 74080448051. The next prime is 74080448087. The reversal of 74080448081 is 18084408047.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74080448081 is a prime.

It is a super-2 number, since 2×74080448081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74080448087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1661996 + ... + 1705986.

It is an arithmetic number, because the mean of its divisors is an integer number (4868330688).

Almost surely, 2^74080448081 is an apocalyptic number.

It is an amenable number.

74080448081 is a deficient number, since it is larger than the sum of its proper divisors (3812842927).

74080448081 is a wasteful number, since it uses less digits than its factorization.

74080448081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44572.

The product of its (nonzero) digits is 229376, while the sum is 44.

The spelling of 74080448081 in words is "seventy-four billion, eighty million, four hundred forty-eight thousand, eighty-one".