73920893 has 2 divisors, whose sum is σ = 73920894. Its totient is φ = 73920892.

The previous prime is 73920883. The next prime is 73920907. The reversal of 73920893 is 39802937.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41964484 + 31956409 = 6478^2 + 5653^2 .

It is a cyclic number.

It is not a de Polignac number, because 73920893 - 2⁶ = 73920829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73920893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73920823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36960446 + 36960447.

It is an arithmetic number, because the mean of its divisors is an integer number (36960447).

Almost surely, 2^73920893 is an apocalyptic number.

It is an amenable number.

73920893 is a deficient number, since it is larger than the sum of its proper divisors (1).

73920893 is an equidigital number, since it uses as much as digits as its factorization.

73920893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 73920893 is about 8597.7260365750. The cubic root of 73920893 is about 419.6839894266.

The spelling of 73920893 in words is "seventy-three million, nine hundred twenty thousand, eight hundred ninety-three".