676567 has 4 divisors (see below), whose sum is σ = 678280. Its totient is φ = 674856.

The previous prime is 676523. The next prime is 676573. The reversal of 676567 is 765676.

676567 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676567 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73 + ... + 1165.

It is an arithmetic number, because the mean of its divisors is an integer number (169570).

2⁶⁷⁶⁵⁶⁷ is an apocalyptic number.

676567 is a deficient number, since it is larger than the sum of its proper divisors (1713).

676567 is a wasteful number, since it uses less digits than its factorization.

676567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712.

The product of its digits is 52920, while the sum is 37.

The square root of 676567 is about 822.5369292621. The cubic root of 676567 is about 87.7883602165.

The spelling of 676567 in words is "six hundred seventy-six thousand, five hundred sixty-seven".