3749225 has 6 divisors (see below), whose sum is σ = 4649070. Its totient is φ = 2999360.

The previous prime is 3749219. The next prime is 3749257. The reversal of 3749225 is 5229473.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 32041 + 3717184 = 179^2 + 1928^2 .

It is not a de Polignac number, because 3749225 - 2¹² = 3745129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3749191 and 3749200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74960 + ... + 75009.

It is an arithmetic number, because the mean of its divisors is an integer number (774845).

Almost surely, 2^3749225 is an apocalyptic number.

It is an amenable number.

3749225 is a deficient number, since it is larger than the sum of its proper divisors (899845).

3749225 is a wasteful number, since it uses less digits than its factorization.

3749225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149979 (or 149974 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 3749225 is about 1936.2915586244. The cubic root of 3749225 is about 155.3509218706.

The spelling of 3749225 in words is "three million, seven hundred forty-nine thousand, two hundred twenty-five".