676537 has 4 divisors (see below), whose sum is σ = 679140. Its totient is φ = 673936.

The previous prime is 676523. The next prime is 676573. The reversal of 676537 is 735676.

676537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 606841 + 69696 = 779^2 + 264^2 .

It is a cyclic number.

It is not a de Polignac number, because 676537 - 2⁷ = 676409 is a prime.

It is a Duffinian number.

676537 is a lucky 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862 + ... + 1447.

It is an arithmetic number, because the mean of its divisors is an integer number (169785).

2⁶⁷⁶⁵³⁷ is an apocalyptic number.

It is an amenable number.

676537 is a deficient number, since it is larger than the sum of its proper divisors (2603).

676537 is a wasteful number, since it uses less digits than its factorization.

676537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602.

The product of its digits is 26460, while the sum is 34.

The square root of 676537 is about 822.5186927967. The cubic root of 676537 is about 87.7870626413.

The spelling of 676537 in words is "six hundred seventy-six thousand, five hundred thirty-seven".