675240 has 64 divisors (see below), whose sum is σ = 2151360. Its totient is φ = 168960.

The previous prime is 675239. The next prime is 675247. The reversal of 675240 is 42576.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 675240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675247) 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, 1875 + ... + 2205.

It is an arithmetic number, because the mean of its divisors is an integer number (33615).

2⁶⁷⁵²⁴⁰ is an apocalyptic number.

675240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075680).

675240 is an abundant number, since it is smaller than the sum of its proper divisors (1476120).

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

675240 is a wasteful number, since it uses less digits than its factorization.

675240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 358 counting only the distinct ones).

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

The square root of 675240 is about 821.7298826257. The cubic root of 675240 is about 87.7309274220.

The spelling of 675240 in words is "six hundred seventy-five thousand, two hundred forty".