74143485867 has 16 divisors (see below), whose sum is σ = 107850228480. Its totient is φ = 44933296800.

The previous prime is 74143485863. The next prime is 74143485893. The reversal of 74143485867 is 76858434147.

It is not a de Polignac number, because 74143485867 - 2² = 74143485863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74143485863) 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, 898642 + ... + 977672.

It is an arithmetic number, because the mean of its divisors is an integer number (6740639280).

Almost surely, 2^74143485867 is an apocalyptic number.

74143485867 is a deficient number, since it is larger than the sum of its proper divisors (33706742613).

74143485867 is a wasteful number, since it uses less digits than its factorization.

74143485867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107474.

The product of its digits is 18063360, while the sum is 57.

The spelling of 74143485867 in words is "seventy-four billion, one hundred forty-three million, four hundred eighty-five thousand, eight hundred sixty-seven".