745817017 has 12 divisors (see below), whose sum is σ = 820721188. Its totient is φ = 677239200.

The previous prime is 745816997. The next prime is 745817057. The reversal of 745817017 is 710718547.

745817017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 282878761 + 462938256 = 16819^2 + 21516^2 .

It is not a de Polignac number, because 745817017 - 2⁷ = 745816889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745817057) 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, 120523 + ... + 126559.

Almost surely, 2^745817017 is an apocalyptic number.

It is an amenable number.

745817017 is a deficient number, since it is larger than the sum of its proper divisors (74904171).

745817017 is a wasteful number, since it uses less digits than its factorization.

745817017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7080 (or 7069 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 40.

The square root of 745817017 is about 27309.6506202478. The cubic root of 745817017 is about 906.8680387461.

The spelling of 745817017 in words is "seven hundred forty-five million, eight hundred seventeen thousand, seventeen".