1745725 has 6 divisors (see below), whose sum is σ = 2164730. Its totient is φ = 1396560.

The previous prime is 1745717. The next prime is 1745729. The reversal of 1745725 is 5275471.

It can be written as a sum of positive squares in 3 ways, for example, as 11236 + 1734489 = 106^2 + 1317^2 .

It is not a de Polignac number, because 1745725 - 2³ = 1745717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1745729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34890 + ... + 34939.

2^1745725 is an apocalyptic number.

It is an amenable number.

1745725 is a deficient number, since it is larger than the sum of its proper divisors (419005).

1745725 is an equidigital number, since it uses as much as digits as its factorization.

1745725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69839 (or 69834 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 1745725 is about 1321.2588694120. The cubic root of 1745725 is about 120.4089059758.

The spelling of 1745725 in words is "one million, seven hundred forty-five thousand, seven hundred twenty-five".