3672685 has 4 divisors (see below), whose sum is σ = 4407228. Its totient is φ = 2938144.

The previous prime is 3672677. The next prime is 3672689. The reversal of 3672685 is 5862763.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2368521 + 1304164 = 1539^2 + 1142^2 .

It is a cyclic number.

It is not a de Polignac number, because 3672685 - 2³ = 3672677 is a prime.

It is a Duffinian number.

3672685 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3672689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367264 + ... + 367273.

It is an arithmetic number, because the mean of its divisors is an integer number (1101807).

Almost surely, 2^3672685 is an apocalyptic number.

It is an amenable number.

3672685 is a deficient number, since it is larger than the sum of its proper divisors (734543).

3672685 is an equidigital number, since it uses as much as digits as its factorization.

3672685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734542.

The product of its digits is 60480, while the sum is 37.

The square root of 3672685 is about 1916.4250572355. The cubic root of 3672685 is about 154.2864881322.

The spelling of 3672685 in words is "three million, six hundred seventy-two thousand, six hundred eighty-five".