676751693 has 4 divisors (see below), whose sum is σ = 676916988. Its totient is φ = 676586400.

The previous prime is 676751687. The next prime is 676751711. The reversal of 676751693 is 396157676.

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

It can be written as a sum of positive squares in 2 ways, for example, as 71690089 + 605061604 = 8467^2 + 24598^2 .

It is a cyclic number.

It is not a de Polignac number, because 676751693 - 2⁸ = 676751437 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 (676751293) 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, 76346 + ... + 84747.

It is an arithmetic number, because the mean of its divisors is an integer number (169229247).

Almost surely, 2^676751693 is an apocalyptic number.

It is an amenable number.

676751693 is a deficient number, since it is larger than the sum of its proper divisors (165295).

676751693 is a wasteful number, since it uses less digits than its factorization.

676751693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165294.

The product of its digits is 1428840, while the sum is 50.

The square root of 676751693 is about 26014.4516182832. The cubic root of 676751693 is about 877.9634780705.

The spelling of 676751693 in words is "six hundred seventy-six million, seven hundred fifty-one thousand, six hundred ninety-three".