3728550033 has 24 divisors (see below), whose sum is σ = 6052143552. Its totient is φ = 2194730208.

The previous prime is 3728550013. The next prime is 3728550043. The reversal of 3728550033 is 3300558273.

3728550033 is a `hidden beast` number, since 3 + 72 + 8 + 550 + 0 + 33 = 666.

3728550033 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3728550033 - 2⁶ = 3728549969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3728550033.

It is not an unprimeable number, because it can be changed into a prime (3728550013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 690091 + ... + 695472.

It is an arithmetic number, because the mean of its divisors is an integer number (252172648).

Almost surely, 2^3728550033 is an apocalyptic number.

It is an amenable number.

3728550033 is a deficient number, since it is larger than the sum of its proper divisors (2323593519).

3728550033 is a wasteful number, since it uses less digits than its factorization.

3728550033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385605 (or 1385602 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 3728550033 is about 61061.8541562570. The cubic root of 3728550033 is about 1550.6483632306.

The spelling of 3728550033 in words is "three billion, seven hundred twenty-eight million, five hundred fifty thousand, thirty-three".