675634 has 4 divisors (see below), whose sum is σ = 1013454. Its totient is φ = 337816.

The previous prime is 675629. The next prime is 675643. The reversal of 675634 is 436576.

675634 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 only one way, i.e., 356409 + 319225 = 597^2 + 565^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 675596 and 675605.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168907 + ... + 168910.

2⁶⁷⁵⁶³⁴ is an apocalyptic number.

675634 is a deficient number, since it is larger than the sum of its proper divisors (337820).

675634 is a wasteful number, since it uses less digits than its factorization.

675634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337819.

The product of its digits is 15120, while the sum is 31.

The square root of 675634 is about 821.9695858120. The cubic root of 675634 is about 87.7479876596.

The spelling of 675634 in words is "six hundred seventy-five thousand, six hundred thirty-four".