3669725 has 12 divisors (see below), whose sum is σ = 4577460. Its totient is φ = 2918400.

The previous prime is 3669709. The next prime is 3669727. The reversal of 3669725 is 5279663.

It can be written as a sum of positive squares in 6 ways, for example, as 436921 + 3232804 = 661^2 + 1798^2 .

It is not a de Polignac number, because 3669725 - 2⁴ = 3669709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3669727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5405 + ... + 6045.

It is an arithmetic number, because the mean of its divisors is an integer number (381455).

Almost surely, 2^3669725 is an apocalyptic number.

It is an amenable number.

3669725 is a deficient number, since it is larger than the sum of its proper divisors (907735).

3669725 is a wasteful number, since it uses less digits than its factorization.

3669725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 875 counting only the distinct ones).

The product of its digits is 68040, while the sum is 38.

The square root of 3669725 is about 1915.6526303064. The cubic root of 3669725 is about 154.2450279335.

The spelling of 3669725 in words is "three million, six hundred sixty-nine thousand, seven hundred twenty-five".