3748725 has 18 divisors (see below), whose sum is σ = 6714786. Its totient is φ = 1999200.

The previous prime is 3748711. The next prime is 3748733. The reversal of 3748725 is 5278473.

It can be written as a sum of positive squares in 3 ways, for example, as 221841 + 3526884 = 471^2 + 1878^2 .

It is not a de Polignac number, because 3748725 - 2⁴ = 3748709 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

3748725 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3748725.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 8106 + ... + 8555.

Almost surely, 2^3748725 is an apocalyptic number.

It is an amenable number.

3748725 is a deficient number, since it is larger than the sum of its proper divisors (2966061).

3748725 is a wasteful number, since it uses less digits than its factorization.

3748725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16677 (or 16669 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 3748725 is about 1936.1624415322. The cubic root of 3748725 is about 155.3440156509.

The spelling of 3748725 in words is "three million, seven hundred forty-eight thousand, seven hundred twenty-five".