72833923 has 2 divisors, whose sum is σ = 72833924. Its totient is φ = 72833922.

The previous prime is 72833921. The next prime is 72833977. The reversal of 72833923 is 32933827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72833923 - 2¹ = 72833921 is a prime.

Together with 72833921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (72833921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36416961 + 36416962.

It is an arithmetic number, because the mean of its divisors is an integer number (36416962).

Almost surely, 2^72833923 is an apocalyptic number.

72833923 is a deficient number, since it is larger than the sum of its proper divisors (1).

72833923 is an equidigital number, since it uses as much as digits as its factorization.

72833923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 72833923 is about 8534.2792900162. The cubic root of 72833923 is about 417.6167419479.

The spelling of 72833923 in words is "seventy-two million, eight hundred thirty-three thousand, nine hundred twenty-three".