73387373 has 2 divisors, whose sum is σ = 73387374. Its totient is φ = 73387372.

The previous prime is 73387339. The next prime is 73387381. The reversal of 73387373 is 37378337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36929929 + 36457444 = 6077^2 + 6038^2 .

It is a cyclic number.

It is not a de Polignac number, because 73387373 - 2⁶ = 73387309 is a prime.

It is a super-2 number, since 2×73387373² = 10771413031682258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73387373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73387333) 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, 36693686 + 36693687.

It is an arithmetic number, because the mean of its divisors is an integer number (36693687).

Almost surely, 2^73387373 is an apocalyptic number.

It is an amenable number.

73387373 is a deficient number, since it is larger than the sum of its proper divisors (1).

73387373 is an equidigital number, since it uses as much as digits as its factorization.

73387373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 41.

The square root of 73387373 is about 8566.6430414720. The cubic root of 73387373 is about 418.6718684555.

The spelling of 73387373 in words is "seventy-three million, three hundred eighty-seven thousand, three hundred seventy-three".