72068333 has 2 divisors, whose sum is σ = 72068334. Its totient is φ = 72068332.

The previous prime is 72068329. The next prime is 72068357. The reversal of 72068333 is 33386027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36808489 + 35259844 = 6067^2 + 5938^2 .

It is a cyclic number.

It is not a de Polignac number, because 72068333 - 2² = 72068329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72068333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72068033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36034166 + 36034167.

It is an arithmetic number, because the mean of its divisors is an integer number (36034167).

Almost surely, 2^72068333 is an apocalyptic number.

It is an amenable number.

72068333 is a deficient number, since it is larger than the sum of its proper divisors (1).

72068333 is an equidigital number, since it uses as much as digits as its factorization.

72068333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 72068333 is about 8489.3069799601. The cubic root of 72068333 is about 416.1483325967.

The spelling of 72068333 in words is "seventy-two million, sixty-eight thousand, three hundred thirty-three".