676629761 has 4 divisors (see below), whose sum is σ = 676704000. Its totient is φ = 676555524.

The previous prime is 676629757. The next prime is 676629809. The reversal of 676629761 is 167926676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 676629761 - 2² = 676629757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676629721) 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, 21161 + ... + 42438.

It is an arithmetic number, because the mean of its divisors is an integer number (169176000).

Almost surely, 2^676629761 is an apocalyptic number.

It is an amenable number.

676629761 is a deficient number, since it is larger than the sum of its proper divisors (74239).

676629761 is a wasteful number, since it uses less digits than its factorization.

676629761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74238.

The product of its digits is 1143072, while the sum is 50.

The square root of 676629761 is about 26012.1079691747. The cubic root of 676629761 is about 877.9107466311.

The spelling of 676629761 in words is "six hundred seventy-six million, six hundred twenty-nine thousand, seven hundred sixty-one".