73673893 has 2 divisors, whose sum is σ = 73673894. Its totient is φ = 73673892.

The previous prime is 73673867. The next prime is 73673917. The reversal of 73673893 is 39837637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73582084 + 91809 = 8578^2 + 303^2 .

It is a cyclic number.

It is not a de Polignac number, because 73673893 - 2⁵ = 73673861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73673813) 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, 36836946 + 36836947.

It is an arithmetic number, because the mean of its divisors is an integer number (36836947).

Almost surely, 2^73673893 is an apocalyptic number.

It is an amenable number.

73673893 is a deficient number, since it is larger than the sum of its proper divisors (1).

73673893 is an equidigital number, since it uses as much as digits as its factorization.

73673893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 46.

The square root of 73673893 is about 8583.3497540296. The cubic root of 73673893 is about 419.2160224104.

The spelling of 73673893 in words is "seventy-three million, six hundred seventy-three thousand, eight hundred ninety-three".