1830725 has 24 divisors (see below), whose sum is σ = 2520672. Its totient is φ = 1310400.

The previous prime is 1830701. The next prime is 1830733. The reversal of 1830725 is 5270381.

It is not a de Polignac number, because 1830725 - 2⁸ = 1830469 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1830694 and 1830703.

It is a congruent number.

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, 13910 + ... + 14040.

It is an arithmetic number, because the mean of its divisors is an integer number (105028).

2^1830725 is an apocalyptic number.

It is an amenable number.

1830725 is a deficient number, since it is larger than the sum of its proper divisors (689947).

1830725 is a wasteful number, since it uses less digits than its factorization.

1830725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1830725 is about 1353.0428670223. The cubic root of 1830725 is about 122.3322707940.

The spelling of 1830725 in words is "one million, eight hundred thirty thousand, seven hundred twenty-five".