3729025 has 6 divisors (see below), whose sum is σ = 4624022. Its totient is φ = 2983200.

The previous prime is 3729017. The next prime is 3729031. The reversal of 3729025 is 5209273.

It can be written as a sum of positive squares in 3 ways, for example, as 746496 + 2982529 = 864^2 + 1727^2 .

It is not a de Polignac number, because 3729025 - 2³ = 3729017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3728984 and 3729002.

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, 74556 + ... + 74605.

Almost surely, 2^3729025 is an apocalyptic number.

It is an amenable number.

3729025 is a deficient number, since it is larger than the sum of its proper divisors (894997).

3729025 is a wasteful number, since it uses less digits than its factorization.

3729025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149171 (or 149166 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 3729025 is about 1931.0683571536. The cubic root of 3729025 is about 155.0714204333.

It can be divided in two parts, 3 and 729025, that added together give a triangular number (729028 = T₁₂₀₇).

The spelling of 3729025 in words is "three million, seven hundred twenty-nine thousand, twenty-five".