675345 has 16 divisors (see below), whose sum is σ = 1179072. Its totient is φ = 327360.

The previous prime is 675341. The next prime is 675347. The reversal of 675345 is 543576.

It is not a de Polignac number, because 675345 - 2² = 675341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (675341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1882 + ... + 2211.

It is an arithmetic number, because the mean of its divisors is an integer number (73692).

2⁶⁷⁵³⁴⁵ is an apocalyptic number.

It is an amenable number.

675345 is a deficient number, since it is larger than the sum of its proper divisors (503727).

675345 is a wasteful number, since it uses less digits than its factorization.

675345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112.

The product of its digits is 12600, while the sum is 30.

The square root of 675345 is about 821.7937697501. The cubic root of 675345 is about 87.7354745805.

Subtracting from 675345 its reverse (543576), we obtain a square (131769 = 363²).

The spelling of 675345 in words is "six hundred seventy-five thousand, three hundred forty-five".