3772128 has 24 divisors (see below), whose sum is σ = 9902088. Its totient is φ = 1257344.

The previous prime is 3772121. The next prime is 3772141. The reversal of 3772128 is 8212773.

3772128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 3772095 and 3772104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3772121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19551 + ... + 19742.

It is an arithmetic number, because the mean of its divisors is an integer number (412587).

Almost surely, 2^3772128 is an apocalyptic number.

It is an amenable number.

3772128 is an abundant number, since it is smaller than the sum of its proper divisors (6129960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3772128 is a wasteful number, since it uses less digits than its factorization.

3772128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39306 (or 39298 counting only the distinct ones).

The product of its digits is 4704, while the sum is 30.

The square root of 3772128 is about 1942.1966944674. The cubic root of 3772128 is about 155.6666121527. Note that the first 4 decimals are identical.

The spelling of 3772128 in words is "three million, seven hundred seventy-two thousand, one hundred twenty-eight".