1730925 has 54 divisors (see below), whose sum is σ = 3629418. Its totient is φ = 786240.

The previous prime is 1730921. The next prime is 1730929. The reversal of 1730925 is 5290371.

1730925 = 161² + 162² + ... + 210².

It is an interprime number because it is at equal distance from previous prime (1730921) and next prime (1730929).

It can be written as a sum of positive squares in 3 ways, for example, as 35721 + 1695204 = 189^2 + 1302^2 .

It is not a de Polignac number, because 1730925 - 2² = 1730921 is a prime.

It is a super-2 number, since 2×1730925² = 5992202711250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1730921) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 10947 + ... + 11103.

2^1730925 is an apocalyptic number.

1730925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1730925 is an abundant number, since it is smaller than the sum of its proper divisors (1898493).

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

1730925 is a wasteful number, since it uses less digits than its factorization.

1730925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1730925 is about 1315.6462290449. The cubic root of 1730925 is about 120.0676701657.

The spelling of 1730925 in words is "one million, seven hundred thirty thousand, nine hundred twenty-five".