675637 has 4 divisors (see below), whose sum is σ = 677376. Its totient is φ = 673900.

The previous prime is 675629. The next prime is 675643. The reversal of 675637 is 736576.

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 675637 - 2³ = 675629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675607) 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, 12 + ... + 1162.

It is an arithmetic number, because the mean of its divisors is an integer number (169344).

2⁶⁷⁵⁶³⁷ is an apocalyptic number.

It is an amenable number.

675637 is a deficient number, since it is larger than the sum of its proper divisors (1739).

675637 is a wasteful number, since it uses less digits than its factorization.

675637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738.

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

The square root of 675637 is about 821.9714106950. The cubic root of 675637 is about 87.7481175344.

The spelling of 675637 in words is "six hundred seventy-five thousand, six hundred thirty-seven".