676517 has 4 divisors (see below), whose sum is σ = 680736. Its totient is φ = 672300.

The previous prime is 676493. The next prime is 676523. The reversal of 676517 is 715676.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 676517.

It is not an unprimeable number, because it can be changed into a prime (676597) 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, 1859 + ... + 2192.

It is an arithmetic number, because the mean of its divisors is an integer number (170184).

2⁶⁷⁶⁵¹⁷ is an apocalyptic number.

It is an amenable number.

676517 is a deficient number, since it is larger than the sum of its proper divisors (4219).

676517 is a wasteful number, since it uses less digits than its factorization.

676517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218.

The product of its digits is 8820, while the sum is 32.

The square root of 676517 is about 822.5065349284. The cubic root of 676517 is about 87.7861975698.

The spelling of 676517 in words is "six hundred seventy-six thousand, five hundred seventeen".