72966323 has 2 divisors, whose sum is σ = 72966324. Its totient is φ = 72966322.

The previous prime is 72966317. The next prime is 72966353. The reversal of 72966323 is 32366927.

It is a weak prime.

It is an emirp because it is prime and its reverse (32366927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72966323 - 2⁶ = 72966259 is a prime.

It is not a weakly prime, because it can be changed into another prime (72966353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36483161 + 36483162.

It is an arithmetic number, because the mean of its divisors is an integer number (36483162).

Almost surely, 2^72966323 is an apocalyptic number.

72966323 is a deficient number, since it is larger than the sum of its proper divisors (1).

72966323 is an equidigital number, since it uses as much as digits as its factorization.

72966323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 38.

The square root of 72966323 is about 8542.0327206116. The cubic root of 72966323 is about 417.8696414394.

The spelling of 72966323 in words is "seventy-two million, nine hundred sixty-six thousand, three hundred twenty-three".