1725994 has 4 divisors (see below), whose sum is σ = 2588994. Its totient is φ = 862996.

The previous prime is 1725991. The next prime is 1726003. The reversal of 1725994 is 4995271.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4995271 = 19 ⋅262909.

It can be written as a sum of positive squares in only one way, i.e., 1723969 + 2025 = 1313^2 + 45^2 .

It is not an unprimeable number, because it can be changed into a prime (1725991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431497 + ... + 431500.

2^1725994 is an apocalyptic number.

1725994 is a deficient number, since it is larger than the sum of its proper divisors (863000).

1725994 is an equidigital number, since it uses as much as digits as its factorization.

1725994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862999.

The product of its digits is 22680, while the sum is 37.

The square root of 1725994 is about 1313.7709084920. The cubic root of 1725994 is about 119.9535468347.

The spelling of 1725994 in words is "one million, seven hundred twenty-five thousand, nine hundred ninety-four".