676457 has 4 divisors (see below), whose sum is σ = 712080. Its totient is φ = 640836.

The previous prime is 676427. The next prime is 676463. The reversal of 676457 is 754676.

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 not a de Polignac number, because 676457 - 2¹⁴ = 660073 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 676457.

It is not an unprimeable number, because it can be changed into a prime (676427) 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, 17783 + ... + 17820.

It is an arithmetic number, because the mean of its divisors is an integer number (178020).

2⁶⁷⁶⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

676457 is a deficient number, since it is larger than the sum of its proper divisors (35623).

676457 is a wasteful number, since it uses less digits than its factorization.

676457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35622.

The product of its digits is 35280, while the sum is 35.

The square root of 676457 is about 822.4700602454. The cubic root of 676457 is about 87.7836022532.

The spelling of 676457 in words is "six hundred seventy-six thousand, four hundred fifty-seven".