676690 has 24 divisors (see below), whose sum is σ = 1417932. Its totient is φ = 231840.

The previous prime is 676679. The next prime is 676703. The reversal of 676690 is 96676.

It can be written as a sum of positive squares in 2 ways, for example, as 670761 + 5929 = 819^2 + 77^2 .

It is a super-2 number, since 2×676690² = 915818712200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

676690 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201 + ... + 1180.

2⁶⁷⁶⁶⁹⁰ is an apocalyptic number.

676690 is an abundant number, since it is smaller than the sum of its proper divisors (741242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676690 is a wasteful number, since it uses less digits than its factorization.

676690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 676690 is about 822.6116945437. The cubic root of 676690 is about 87.7936798740.

The spelling of 676690 in words is "six hundred seventy-six thousand, six hundred ninety".