3629725 has 24 divisors (see below), whose sum is σ = 5008608. Its totient is φ = 2587200.

The previous prime is 3629719. The next prime is 3629729. The reversal of 3629725 is 5279263.

It is a happy number.

It is not a de Polignac number, because 3629725 - 2⁷ = 3629597 is a prime.

Its product of digits (22680) is a multiple of the sum of its prime divisors (280).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3629729) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 18327 + ... + 18523.

It is an arithmetic number, because the mean of its divisors is an integer number (208692).

Almost surely, 2^3629725 is an apocalyptic number.

It is an amenable number.

3629725 is a deficient number, since it is larger than the sum of its proper divisors (1378883).

3629725 is a wasteful number, since it uses less digits than its factorization.

3629725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 280 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 3629725 is about 1905.1837181752. The cubic root of 3629725 is about 153.6825557409.

The spelling of 3629725 in words is "three million, six hundred twenty-nine thousand, seven hundred twenty-five".