4072998321 has 12 divisors (see below), whose sum is σ = 6723679872. Its totient is φ = 2327427576.

The previous prime is 4072998317. The next prime is 4072998323. The reversal of 4072998321 is 1238992704.

4072998321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4072998321 - 2² = 4072998317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4072998323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32325321 + ... + 32325446.

It is an arithmetic number, because the mean of its divisors is an integer number (560306656).

Almost surely, 2^4072998321 is an apocalyptic number.

It is an amenable number.

4072998321 is a deficient number, since it is larger than the sum of its proper divisors (2650681551).

4072998321 is a wasteful number, since it uses less digits than its factorization.

4072998321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64650780 (or 64650777 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 4072998321 is about 63820.0463882627. The cubic root of 4072998321 is about 1596.9993658531. Note that the first 3 decimals are identical.

The spelling of 4072998321 in words is "four billion, seventy-two million, nine hundred ninety-eight thousand, three hundred twenty-one".