1725000 has 96 divisors (see below), whose sum is σ = 5624640. Its totient is φ = 440000.

The previous prime is 1724999. The next prime is 1725011. The reversal of 1725000 is 5271.

It is a happy number.

It is a hoax number, since the sum of its digits (15) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74989 + ... + 75011.

It is an arithmetic number, because the mean of its divisors is an integer number (58590).

2^1725000 is an apocalyptic number.

1725000 is a gapful number since it is divisible by the number (10) 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 1725000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2812320).

1725000 is an abundant number, since it is smaller than the sum of its proper divisors (3899640).

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

1725000 is an equidigital number, since it uses as much as digits as its factorization.

1725000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 1725000 is about 1313.3925536564. The cubic root of 1725000 is about 119.9305153290.

The spelling of 1725000 in words is "one million, seven hundred twenty-five thousand".