73303969 has 2 divisors, whose sum is σ = 73303970. Its totient is φ = 73303968.

The previous prime is 73303961. The next prime is 73303987. The reversal of 73303969 is 96930337.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67486225 + 5817744 = 8215^2 + 2412^2 .

It is a cyclic number.

It is not a de Polignac number, because 73303969 - 2³ = 73303961 is a prime.

It is a super-2 number, since 2×73303969² = 10746943742305922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73303961) 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, 36651984 + 36651985.

It is an arithmetic number, because the mean of its divisors is an integer number (36651985).

Almost surely, 2^73303969 is an apocalyptic number.

It is an amenable number.

73303969 is a deficient number, since it is larger than the sum of its proper divisors (1).

73303969 is an equidigital number, since it uses as much as digits as its factorization.

73303969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 40.

The square root of 73303969 is about 8561.7737064232. The cubic root of 73303969 is about 418.5132028987.

The spelling of 73303969 in words is "seventy-three million, three hundred three thousand, nine hundred sixty-nine".