675442 has 4 divisors (see below), whose sum is σ = 1013166. Its totient is φ = 337720.

The previous prime is 675419. The next prime is 675449. The reversal of 675442 is 244576.

675442 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., 491401 + 184041 = 701^2 + 429^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 675442.

It is not an unprimeable number, because it can be changed into a prime (675449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168859 + ... + 168862.

2⁶⁷⁵⁴⁴² is an apocalyptic number.

675442 is a deficient number, since it is larger than the sum of its proper divisors (337724).

675442 is a wasteful number, since it uses less digits than its factorization.

675442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337723.

The product of its digits is 6720, while the sum is 28.

The square root of 675442 is about 821.8527848709. The cubic root of 675442 is about 87.7396748700.

The spelling of 675442 in words is "six hundred seventy-five thousand, four hundred forty-two".