72933449 has 2 divisors, whose sum is σ = 72933450. Its totient is φ = 72933448.

The previous prime is 72933403. The next prime is 72933467. The reversal of 72933449 is 94433927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72931600 + 1849 = 8540^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 72933449 - 2⁸ = 72933193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (72932449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36466724 + 36466725.

It is an arithmetic number, because the mean of its divisors is an integer number (36466725).

Almost surely, 2^72933449 is an apocalyptic number.

It is an amenable number.

72933449 is a deficient number, since it is larger than the sum of its proper divisors (1).

72933449 is an equidigital number, since it uses as much as digits as its factorization.

72933449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 41.

The square root of 72933449 is about 8540.1082545832. The cubic root of 72933449 is about 417.8068768216.

The spelling of 72933449 in words is "seventy-two million, nine hundred thirty-three thousand, four hundred forty-nine".