73988633 has 2 divisors, whose sum is σ = 73988634. Its totient is φ = 73988632.

The previous prime is 73988623. The next prime is 73988647. The reversal of 73988633 is 33688937.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73136704 + 851929 = 8552^2 + 923^2 .

It is an emirp because it is prime and its reverse (33688937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73988633 - 2⁴ = 73988617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (73988623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36994316 + 36994317.

It is an arithmetic number, because the mean of its divisors is an integer number (36994317).

Almost surely, 2^73988633 is an apocalyptic number.

It is an amenable number.

73988633 is a deficient number, since it is larger than the sum of its proper divisors (1).

73988633 is an equidigital number, since it uses as much as digits as its factorization.

73988633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 73988633 is about 8601.6645482139. The cubic root of 73988633 is about 419.8121476627.

The spelling of 73988633 in words is "seventy-three million, nine hundred eighty-eight thousand, six hundred thirty-three".