72830323 has 2 divisors, whose sum is σ = 72830324. Its totient is φ = 72830322.

The previous prime is 72830311. The next prime is 72830327. The reversal of 72830323 is 32303827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72830323 - 2⁹ = 72829811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72830291 and 72830300.

It is not a weakly prime, because it can be changed into another prime (72830327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36415161 + 36415162.

It is an arithmetic number, because the mean of its divisors is an integer number (36415162).

Almost surely, 2^72830323 is an apocalyptic number.

72830323 is a deficient number, since it is larger than the sum of its proper divisors (1).

72830323 is an equidigital number, since it uses as much as digits as its factorization.

72830323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 72830323 is about 8534.0683732907. The cubic root of 72830323 is about 417.6098612483.

It can be divided in two parts, 72830 and 323, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 72830323 in words is "seventy-two million, eight hundred thirty thousand, three hundred twenty-three".