745375518 has 12 divisors (see below), whose sum is σ = 1614980328. Its totient is φ = 248458500.

The previous prime is 745375447. The next prime is 745375549. The reversal of 745375518 is 815573547.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20704858 + ... + 20704893.

It is an arithmetic number, because the mean of its divisors is an integer number (134581694).

Almost surely, 2^745375518 is an apocalyptic number.

745375518 is an abundant number, since it is smaller than the sum of its proper divisors (869604810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745375518 is a wasteful number, since it uses less digits than its factorization.

745375518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41409759 (or 41409756 counting only the distinct ones).

The product of its digits is 588000, while the sum is 45.

The square root of 745375518 is about 27301.5662188088. The cubic root of 745375518 is about 906.6890581324.

The spelling of 745375518 in words is "seven hundred forty-five million, three hundred seventy-five thousand, five hundred eighteen".