74143485775 has 24 divisors (see below), whose sum is σ = 96988809680. Its totient is φ = 56069832960.

The previous prime is 74143485743. The next prime is 74143485781. The reversal of 74143485775 is 57758434147.

It is a happy number.

It is not a de Polignac number, because 74143485775 - 2⁵ = 74143485743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46297 + ... + 387853.

Almost surely, 2^74143485775 is an apocalyptic number.

74143485775 is a deficient number, since it is larger than the sum of its proper divisors (22845323905).

74143485775 is a wasteful number, since it uses less digits than its factorization.

74143485775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342043 (or 342038 counting only the distinct ones).

The product of its digits is 13171200, while the sum is 55.

The spelling of 74143485775 in words is "seventy-four billion, one hundred forty-three million, four hundred eighty-five thousand, seven hundred seventy-five".