717164045 has 16 divisors (see below), whose sum is σ = 939498672. Its totient is φ = 522339840.

The previous prime is 717164033. The next prime is 717164059. The reversal of 717164045 is 540461717.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 316969 + 716847076 = 563^2 + 26774^2 .

It is not a de Polignac number, because 717164045 - 2⁸ = 717163789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 717163996 and 717164014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70826 + ... + 80315.

It is an arithmetic number, because the mean of its divisors is an integer number (58718667).

Almost surely, 2^717164045 is an apocalyptic number.

It is an amenable number.

717164045 is a deficient number, since it is larger than the sum of its proper divisors (222334627).

717164045 is a wasteful number, since it uses less digits than its factorization.

717164045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151232.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 717164045 is about 26779.9186891969. The cubic root of 717164045 is about 895.1026358789.

The spelling of 717164045 in words is "seven hundred seventeen million, one hundred sixty-four thousand, forty-five".