74511478444 has 12 divisors (see below), whose sum is σ = 140425478704. Its totient is φ = 34389913104.

The previous prime is 74511478441. The next prime is 74511478451. The reversal of 74511478444 is 44487411547.

It is a super-2 number, since 2×74511478444² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74511478441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716456472 + ... + 716456575.

Almost surely, 2^74511478444 is an apocalyptic number.

It is an amenable number.

74511478444 is a deficient number, since it is larger than the sum of its proper divisors (65914000260).

74511478444 is a wasteful number, since it uses less digits than its factorization.

74511478444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432913064 (or 1432913062 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 49.

The spelling of 74511478444 in words is "seventy-four billion, five hundred eleven million, four hundred seventy-eight thousand, four hundred forty-four".