73473563 has 2 divisors, whose sum is σ = 73473564. Its totient is φ = 73473562.

The previous prime is 73473481. The next prime is 73473581. The reversal of 73473563 is 36537437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73473563 - 2¹⁴ = 73457179 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (73473163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36736781 + 36736782.

It is an arithmetic number, because the mean of its divisors is an integer number (36736782).

Almost surely, 2^73473563 is an apocalyptic number.

73473563 is a deficient number, since it is larger than the sum of its proper divisors (1).

73473563 is an equidigital number, since it uses as much as digits as its factorization.

73473563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 38.

The square root of 73473563 is about 8571.6721239207. The cubic root of 73473563 is about 418.8357077703.

The spelling of 73473563 in words is "seventy-three million, four hundred seventy-three thousand, five hundred sixty-three".