73568249 has 2 divisors, whose sum is σ = 73568250. Its totient is φ = 73568248.

The previous prime is 73568233. The next prime is 73568251. The reversal of 73568249 is 94286537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44462224 + 29106025 = 6668^2 + 5395^2 .

It is a cyclic number.

It is not a de Polignac number, because 73568249 - 2⁴ = 73568233 is a prime.

It is a Sophie Germain prime.

Together with 73568251, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (73568279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36784124 + 36784125.

It is an arithmetic number, because the mean of its divisors is an integer number (36784125).

Almost surely, 2^73568249 is an apocalyptic number.

It is an amenable number.

73568249 is a deficient number, since it is larger than the sum of its proper divisors (1).

73568249 is an equidigital number, since it uses as much as digits as its factorization.

73568249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 73568249 is about 8577.1935386815. The cubic root of 73568249 is about 419.0155495736.

The spelling of 73568249 in words is "seventy-three million, five hundred sixty-eight thousand, two hundred forty-nine".