74683489793 has 12 divisors (see below), whose sum is σ = 82287670704. Its totient is φ = 67221762000.

The previous prime is 74683489733. The next prime is 74683489801. The reversal of 74683489793 is 39798438647.

It is a de Polignac number, because none of the positive numbers 2^k-74683489793 is a prime.

It is a super-2 number, since 2×74683489793² (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 (74683489733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220571 + ... + 444992.

It is an arithmetic number, because the mean of its divisors is an integer number (6857305892).

Almost surely, 2^74683489793 is an apocalyptic number.

It is an amenable number.

74683489793 is a deficient number, since it is larger than the sum of its proper divisors (7604180911).

74683489793 is a wasteful number, since it uses less digits than its factorization.

74683489793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665776 (or 665675 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 68.

The spelling of 74683489793 in words is "seventy-four billion, six hundred eighty-three million, four hundred eighty-nine thousand, seven hundred ninety-three".