745265117 has 4 divisors (see below), whose sum is σ = 745383036. Its totient is φ = 745147200.

The previous prime is 745265111. The next prime is 745265123. The reversal of 745265117 is 711562547.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (745265111) and next prime (745265123).

It can be written as a sum of positive squares in 2 ways, for example, as 449906521 + 295358596 = 21211^2 + 17186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745265117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745265111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48908 + ... + 62309.

It is an arithmetic number, because the mean of its divisors is an integer number (186345759).

Almost surely, 2^745265117 is an apocalyptic number.

It is an amenable number.

745265117 is a deficient number, since it is larger than the sum of its proper divisors (117919).

745265117 is a wasteful number, since it uses less digits than its factorization.

745265117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117918.

The product of its digits is 58800, while the sum is 38.

The square root of 745265117 is about 27299.5442635953. The cubic root of 745265117 is about 906.6442912917.

The spelling of 745265117 in words is "seven hundred forty-five million, two hundred sixty-five thousand, one hundred seventeen".