675450 has 72 divisors (see below), whose sum is σ = 1934400. Its totient is φ = 168480.

The previous prime is 675449. The next prime is 675457. The reversal of 675450 is 54576.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (675457) 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 35 ways as a sum of consecutive naturals, for example, 8511 + ... + 8589.

2⁶⁷⁵⁴⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967200).

675450 is an abundant number, since it is smaller than the sum of its proper divisors (1258950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

675450 is a wasteful number, since it uses less digits than its factorization.

675450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 675450 is about 821.8576519082. The cubic root of 675450 is about 87.7400212677.

The spelling of 675450 in words is "six hundred seventy-five thousand, four hundred fifty".