7057312717 has 16 divisors (see below), whose sum is σ = 8729593600. Its totient is φ = 5555734272.

The previous prime is 7057312699. The next prime is 7057312721. The reversal of 7057312717 is 7172137507.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7057312717 - 2¹¹ = 7057310669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7057312717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7057312517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176748 + ... + 212965.

It is an arithmetic number, because the mean of its divisors is an integer number (545599600).

Almost surely, 2^7057312717 is an apocalyptic number.

It is an amenable number.

7057312717 is a deficient number, since it is larger than the sum of its proper divisors (1672280883).

7057312717 is a wasteful number, since it uses less digits than its factorization.

7057312717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389932.

The product of its (nonzero) digits is 72030, while the sum is 40.

The square root of 7057312717 is about 84007.8134282758. The cubic root of 7057312717 is about 1918.1377267273.

The spelling of 7057312717 in words is "seven billion, fifty-seven million, three hundred twelve thousand, seven hundred seventeen".