3725999 has 4 divisors (see below), whose sum is σ = 3731280. Its totient is φ = 3720720.

The previous prime is 3725987. The next prime is 3726001. The reversal of 3725999 is 9995273.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9995273 = 19 ⋅526067.

It is a cyclic number.

It is not a de Polignac number, because 3725999 - 2¹⁶ = 3660463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3725929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382 + ... + 3059.

It is an arithmetic number, because the mean of its divisors is an integer number (932820).

Almost surely, 2^3725999 is an apocalyptic number.

3725999 is a deficient number, since it is larger than the sum of its proper divisors (5281).

3725999 is an equidigital number, since it uses as much as digits as its factorization.

3725999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280.

The product of its digits is 153090, while the sum is 44.

The square root of 3725999 is about 1930.2846940283. The cubic root of 3725999 is about 155.0294637017.

The spelling of 3725999 in words is "three million, seven hundred twenty-five thousand, nine hundred ninety-nine".