73481263 has 2 divisors, whose sum is σ = 73481264. Its totient is φ = 73481262.

The previous prime is 73481209. The next prime is 73481269. The reversal of 73481263 is 36218437.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73481263 - 2¹⁷ = 73350191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73481269) 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, 36740631 + 36740632.

It is an arithmetic number, because the mean of its divisors is an integer number (36740632).

Almost surely, 2^73481263 is an apocalyptic number.

73481263 is a deficient number, since it is larger than the sum of its proper divisors (1).

73481263 is an equidigital number, since it uses as much as digits as its factorization.

73481263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 73481263 is about 8572.1212660578. The cubic root of 73481263 is about 418.8503385307.

The spelling of 73481263 in words is "seventy-three million, four hundred eighty-one thousand, two hundred sixty-three".