73223497 has 2 divisors, whose sum is σ = 73223498. Its totient is φ = 73223496.

The previous prime is 73223483. The next prime is 73223503. The reversal of 73223497 is 79432237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59228416 + 13995081 = 7696^2 + 3741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73223497 is a prime.

It is not a weakly prime, because it can be changed into another prime (73203497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36611748 + 36611749.

It is an arithmetic number, because the mean of its divisors is an integer number (36611749).

Almost surely, 2^73223497 is an apocalyptic number.

It is an amenable number.

73223497 is a deficient number, since it is larger than the sum of its proper divisors (1).

73223497 is an equidigital number, since it uses as much as digits as its factorization.

73223497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 37.

The square root of 73223497 is about 8557.0729224426. The cubic root of 73223497 is about 418.3600009807.

The spelling of 73223497 in words is "seventy-three million, two hundred twenty-three thousand, four hundred ninety-seven".