676763005 has 4 divisors (see below), whose sum is σ = 812115612. Its totient is φ = 541410400.

The previous prime is 676762997. The next prime is 676763039. The reversal of 676763005 is 500367676.

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 518154169 + 158608836 = 22763^2 + 12594^2 .

It is not a de Polignac number, because 676763005 - 2³ = 676762997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67676296 + ... + 67676305.

It is an arithmetic number, because the mean of its divisors is an integer number (203028903).

Almost surely, 2^676763005 is an apocalyptic number.

It is an amenable number.

676763005 is a deficient number, since it is larger than the sum of its proper divisors (135352607).

676763005 is a wasteful number, since it uses less digits than its factorization.

676763005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135352606.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 676763005 is about 26014.6690349887. The cubic root of 676763005 is about 877.9683698044.

The spelling of 676763005 in words is "six hundred seventy-six million, seven hundred sixty-three thousand, five".