72929323 has 2 divisors, whose sum is σ = 72929324. Its totient is φ = 72929322.

The previous prime is 72929317. The next prime is 72929327. The reversal of 72929323 is 32392927.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72929323 - 2¹³ = 72921131 is a prime.

It is not a weakly prime, because it can be changed into another prime (72929327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36464661 + 36464662.

It is an arithmetic number, because the mean of its divisors is an integer number (36464662).

Almost surely, 2^72929323 is an apocalyptic number.

72929323 is a deficient number, since it is larger than the sum of its proper divisors (1).

72929323 is an equidigital number, since it uses as much as digits as its factorization.

72929323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The square root of 72929323 is about 8539.8666851421. The cubic root of 72929323 is about 417.7989979324.

It can be divided in two parts, 729293 and 23, that added together give a square (729316 = 854²).

The spelling of 72929323 in words is "seventy-two million, nine hundred twenty-nine thousand, three hundred twenty-three".