73247263 has 2 divisors, whose sum is σ = 73247264. Its totient is φ = 73247262.

The previous prime is 73247257. The next prime is 73247329. The reversal of 73247263 is 36274237.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73247263 - 2²⁵ = 39692831 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73247233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36623631 + 36623632.

It is an arithmetic number, because the mean of its divisors is an integer number (36623632).

Almost surely, 2^73247263 is an apocalyptic number.

73247263 is a deficient number, since it is larger than the sum of its proper divisors (1).

73247263 is an equidigital number, since it uses as much as digits as its factorization.

73247263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 34.

The square root of 73247263 is about 8558.4614855709. The cubic root of 73247263 is about 418.4052581667.

The spelling of 73247263 in words is "seventy-three million, two hundred forty-seven thousand, two hundred sixty-three".