3685072 has 20 divisors (see below), whose sum is σ = 7208740. Its totient is φ = 1824768.

The previous prime is 3685051. The next prime is 3685111. The reversal of 3685072 is 2705863.

It can be written as a sum of positive squares in 2 ways, for example, as 876096 + 2808976 = 936^2 + 1676^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688 + ... + 2800.

It is an arithmetic number, because the mean of its divisors is an integer number (360437).

Almost surely, 2^3685072 is an apocalyptic number.

It is an amenable number.

3685072 is a deficient number, since it is larger than the sum of its proper divisors (3523668).

3685072 is a wasteful number, since it uses less digits than its factorization.

3685072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230 (or 2224 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 3685072 is about 1919.6541355150. The cubic root of 3685072 is about 154.4597493972.

The spelling of 3685072 in words is "three million, six hundred eighty-five thousand, seventy-two".