745572113 has 12 divisors (see below), whose sum is σ = 882554484. Its totient is φ = 625653600.

The previous prime is 745572109. The next prime is 745572137. The reversal of 745572113 is 311275547.

It can be written as a sum of positive squares in 2 ways, for example, as 228100609 + 517471504 = 15103^2 + 22748^2 .

It is not a de Polignac number, because 745572113 - 2² = 745572109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (745572143) 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, 235418 + ... + 238563.

It is an arithmetic number, because the mean of its divisors is an integer number (73546207).

Almost surely, 2^745572113 is an apocalyptic number.

It is an amenable number.

745572113 is a deficient number, since it is larger than the sum of its proper divisors (136982371).

745572113 is a wasteful number, since it uses less digits than its factorization.

745572113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474016 (or 474005 counting only the distinct ones).

The product of its digits is 29400, while the sum is 35.

The square root of 745572113 is about 27305.1664159001. The cubic root of 745572113 is about 906.7687650998.

The spelling of 745572113 in words is "seven hundred forty-five million, five hundred seventy-two thousand, one hundred thirteen".