73889983 has 2 divisors, whose sum is σ = 73889984. Its totient is φ = 73889982.

The previous prime is 73889929. The next prime is 73889987. The reversal of 73889983 is 38998837.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73889983 - 2¹⁷ = 73758911 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73889987) 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, 36944991 + 36944992.

It is an arithmetic number, because the mean of its divisors is an integer number (36944992).

Almost surely, 2^73889983 is an apocalyptic number.

73889983 is a deficient number, since it is larger than the sum of its proper divisors (1).

73889983 is an equidigital number, since it uses as much as digits as its factorization.

73889983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The square root of 73889983 is about 8595.9282802964. The cubic root of 73889983 is about 419.6254843584.

It can be divided in two parts, 7388 and 9983, that added together give a palindrome (17371).

The spelling of 73889983 in words is "seventy-three million, eight hundred eighty-nine thousand, nine hundred eighty-three".