74644885443 has 16 divisors (see below), whose sum is σ = 103065050880. Its totient is φ = 47997541536.

The previous prime is 74644885429. The next prime is 74644885457. The reversal of 74644885443 is 34458844647.

It is an interprime number because it is at equal distance from previous prime (74644885429) and next prime (74644885457).

It is not a de Polignac number, because 74644885443 - 2⁵ = 74644885411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74644885043) 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, 359505 + ... + 527762.

It is an arithmetic number, because the mean of its divisors is an integer number (6441565680).

Almost surely, 2^74644885443 is an apocalyptic number.

74644885443 is a deficient number, since it is larger than the sum of its proper divisors (28420165437).

74644885443 is a wasteful number, since it uses less digits than its factorization.

74644885443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888266.

The product of its digits is 41287680, while the sum is 57.

The spelling of 74644885443 in words is "seventy-four billion, six hundred forty-four million, eight hundred eighty-five thousand, four hundred forty-three".