73438763 has 2 divisors, whose sum is σ = 73438764. Its totient is φ = 73438762.

The previous prime is 73438741. The next prime is 73438787. The reversal of 73438763 is 36783437.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73438763 - 2¹⁴ = 73422379 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73438763.

It is not a weakly prime, because it can be changed into another prime (73438723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36719381 + 36719382.

It is an arithmetic number, because the mean of its divisors is an integer number (36719382).

Almost surely, 2^73438763 is an apocalyptic number.

73438763 is a deficient number, since it is larger than the sum of its proper divisors (1).

73438763 is an equidigital number, since it uses as much as digits as its factorization.

73438763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 41.

The square root of 73438763 is about 8569.6419411782. The cubic root of 73438763 is about 418.7695715810.

The spelling of 73438763 in words is "seventy-three million, four hundred thirty-eight thousand, seven hundred sixty-three".