73888973 has 2 divisors, whose sum is σ = 73888974. Its totient is φ = 73888972.

The previous prime is 73888961. The next prime is 73888979. The reversal of 73888973 is 37988837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61512649 + 12376324 = 7843^2 + 3518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73888973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73888979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36944486 + 36944487.

It is an arithmetic number, because the mean of its divisors is an integer number (36944487).

Almost surely, 2^73888973 is an apocalyptic number.

It is an amenable number.

73888973 is a deficient number, since it is larger than the sum of its proper divisors (1).

73888973 is an equidigital number, since it uses as much as digits as its factorization.

73888973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 53.

The square root of 73888973 is about 8595.8695313505. The cubic root of 73888973 is about 419.6235724002.

It can be divided in two parts, 7388 and 8973, that added together give a palindrome (16361).

The spelling of 73888973 in words is "seventy-three million, eight hundred eighty-eight thousand, nine hundred seventy-three".