3735728 has 20 divisors (see below), whose sum is σ = 7291200. Its totient is φ = 1854144.

The previous prime is 3735713. The next prime is 3735731. The reversal of 3735728 is 8275373.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1601 + ... + 3167.

It is an arithmetic number, because the mean of its divisors is an integer number (364560).

Almost surely, 2^3735728 is an apocalyptic number.

It is an amenable number.

3735728 is a deficient number, since it is larger than the sum of its proper divisors (3555472).

3735728 is a wasteful number, since it uses less digits than its factorization.

3735728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724 (or 1718 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 3735728 is about 1932.8031456928. The cubic root of 3735728 is about 155.1642795180.

The spelling of 3735728 in words is "three million, seven hundred thirty-five thousand, seven hundred twenty-eight".