674303617817 has 6 divisors (see below), whose sum is σ = 696757017114. Its totient is φ = 652551887280.

The previous prime is 674303617783. The next prime is 674303617837. The reversal of 674303617817 is 718716303476.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 463265364496 + 211038253321 = 680636^2 + 459389^2 .

It is a de Polignac number, because none of the positive numbers 2^k-674303617817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674303617837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 350833388 + ... + 350835309.

It is an arithmetic number, because the mean of its divisors is an integer number (116126169519).

Almost surely, 2^674303617817 is an apocalyptic number.

It is an amenable number.

674303617817 is a deficient number, since it is larger than the sum of its proper divisors (22453399297).

674303617817 is an equidigital number, since it uses as much as digits as its factorization.

674303617817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701668759 (or 701668728 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 674303617817 in words is "six hundred seventy-four billion, three hundred three million, six hundred seventeen thousand, eight hundred seventeen".