1730991125 has 8 divisors (see below), whose sum is σ = 2160277080. Its totient is φ = 1384792800.

The previous prime is 1730991107. The next prime is 1730991127. The reversal of 1730991125 is 5211990371.

It can be written as a sum of positive squares in 4 ways, for example, as 18438436 + 1712552689 = 4294^2 + 41383^2 .

It is not a de Polignac number, because 1730991125 - 2⁶ = 1730991061 is a prime.

It is a super-3 number, since 3×1730991125³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1730991127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6923840 + ... + 6924089.

It is an arithmetic number, because the mean of its divisors is an integer number (270034635).

Almost surely, 2^1730991125 is an apocalyptic number.

It is an amenable number.

1730991125 is a deficient number, since it is larger than the sum of its proper divisors (429285955).

1730991125 is an equidigital number, since it uses as much as digits as its factorization.

1730991125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13847944 (or 13847934 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 1730991125 is about 41605.1814681777. The cubic root of 1730991125 is about 1200.6919909267.

The spelling of 1730991125 in words is "one billion, seven hundred thirty million, nine hundred ninety-one thousand, one hundred twenty-five".