73340563 has 2 divisors, whose sum is σ = 73340564. Its totient is φ = 73340562.

The previous prime is 73340557. The next prime is 73340573. The reversal of 73340563 is 36504337.

It is a weak prime.

It is an emirp because it is prime and its reverse (36504337) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73340563 - 2¹⁷ = 73209491 is a prime.

It is not a weakly prime, because it can be changed into another prime (73340573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36670281 + 36670282.

It is an arithmetic number, because the mean of its divisors is an integer number (36670282).

Almost surely, 2^73340563 is an apocalyptic number.

73340563 is a deficient number, since it is larger than the sum of its proper divisors (1).

73340563 is an equidigital number, since it uses as much as digits as its factorization.

73340563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 31.

The square root of 73340563 is about 8563.9104969634. The cubic root of 73340563 is about 418.5828331638.

The spelling of 73340563 in words is "seventy-three million, three hundred forty thousand, five hundred sixty-three".