3725629 has 8 divisors (see below), whose sum is σ = 3863160. Its totient is φ = 3590400.

The previous prime is 3725597. The next prime is 3725651. The reversal of 3725629 is 9265273.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 729 + 3724900 = 27^2 + 1930^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3725629 - 2⁵ = 3725597 is a prime.

It is a super-2 number, since 2×3725629² = 27760622891282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3725594 and 3725603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3725699) 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 7 ways as a sum of consecutive naturals, for example, 3139 + ... + 4159.

It is an arithmetic number, because the mean of its divisors is an integer number (482895).

Almost surely, 2^3725629 is an apocalyptic number.

It is an amenable number.

3725629 is a deficient number, since it is larger than the sum of its proper divisors (137531).

3725629 is a wasteful number, since it uses less digits than its factorization.

3725629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151.

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

The square root of 3725629 is about 1930.1888508641. The cubic root of 3725629 is about 155.0243319415.

The spelling of 3725629 in words is "three million, seven hundred twenty-five thousand, six hundred twenty-nine".