675420 has 24 divisors (see below), whose sum is σ = 1891344. Its totient is φ = 180096.

The previous prime is 675419. The next prime is 675449. The reversal of 675420 is 24576.

It is a happy number.

675420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5569 + ... + 5688.

It is an arithmetic number, because the mean of its divisors is an integer number (78806).

2⁶⁷⁵⁴²⁰ is an apocalyptic number.

675420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

675420 is an abundant number, since it is smaller than the sum of its proper divisors (1215924).

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

675420 is a wasteful number, since it uses less digits than its factorization.

675420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11269 (or 11267 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 675420 is about 821.8394003697. The cubic root of 675420 is about 87.7387222623.

Adding to 675420 its reverse (24576), we get a palindrome (699996).

The spelling of 675420 in words is "six hundred seventy-five thousand, four hundred twenty".