3733004021 has 4 divisors (see below), whose sum is σ = 3819818112. Its totient is φ = 3646189932.

The previous prime is 3733004017. The next prime is 3733004027. The reversal of 3733004021 is 1204003373.

It is a happy number.

3733004021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3733004021 - 2² = 3733004017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3733004027) 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, 43406981 + ... + 43407066.

It is an arithmetic number, because the mean of its divisors is an integer number (954954528).

Almost surely, 2^3733004021 is an apocalyptic number.

It is an amenable number.

3733004021 is a deficient number, since it is larger than the sum of its proper divisors (86814091).

3733004021 is an equidigital number, since it uses as much as digits as its factorization.

3733004021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86814090.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 3733004021 is about 61098.3143875508. The cubic root of 3733004021 is about 1551.2655665986.

Adding to 3733004021 its reverse (1204003373), we get a palindrome (4937007394).

The spelling of 3733004021 in words is "three billion, seven hundred thirty-three million, four thousand, twenty-one".