3726725 has 6 divisors (see below), whose sum is σ = 4621170. Its totient is φ = 2981360.

The previous prime is 3726721. The next prime is 3726731. The reversal of 3726725 is 5276273.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 158404 + 3568321 = 398^2 + 1889^2 .

It is not a de Polignac number, because 3726725 - 2² = 3726721 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3726691 and 3726700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3726721) 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, 74510 + ... + 74559.

It is an arithmetic number, because the mean of its divisors is an integer number (770195).

Almost surely, 2^3726725 is an apocalyptic number.

It is an amenable number.

3726725 is a deficient number, since it is larger than the sum of its proper divisors (894445).

3726725 is a wasteful number, since it uses less digits than its factorization.

3726725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149079 (or 149074 counting only the distinct ones).

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

The square root of 3726725 is about 1930.4727400303. The cubic root of 3726725 is about 155.0395320603.

It can be divided in two parts, 37 and 26725, that added together give a palindrome (26762).

The spelling of 3726725 in words is "three million, seven hundred twenty-six thousand, seven hundred twenty-five".