3726257 has 4 divisors (see below), whose sum is σ = 3730416. Its totient is φ = 3722100.

The previous prime is 3726241. The next prime is 3726259. The reversal of 3726257 is 7526273.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3726257 - 2⁴ = 3726241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3726259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119 + ... + 2732.

It is an arithmetic number, because the mean of its divisors is an integer number (932604).

Almost surely, 2^3726257 is an apocalyptic number.

It is an amenable number.

3726257 is a deficient number, since it is larger than the sum of its proper divisors (4159).

3726257 is a wasteful number, since it uses less digits than its factorization.

3726257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158.

The product of its digits is 17640, while the sum is 32.

The square root of 3726257 is about 1930.3515223917. The cubic root of 3726257 is about 155.0330418632.

The spelling of 3726257 in words is "three million, seven hundred twenty-six thousand, two hundred fifty-seven".