73400067329 has 2 divisors, whose sum is σ = 73400067330. Its totient is φ = 73400067328.

The previous prime is 73400067319. The next prime is 73400067353. The reversal of 73400067329 is 92376000437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47132410000 + 26267657329 = 217100^2 + 162073^2 .

It is a cyclic number.

It is not a de Polignac number, because 73400067329 - 2²⁸ = 73131631873 is a prime.

It is not a weakly prime, because it can be changed into another prime (73400067319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36700033664 + 36700033665.

It is an arithmetic number, because the mean of its divisors is an integer number (36700033665).

Almost surely, 2^73400067329 is an apocalyptic number.

It is an amenable number.

73400067329 is a deficient number, since it is larger than the sum of its proper divisors (1).

73400067329 is an equidigital number, since it uses as much as digits as its factorization.

73400067329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 41.

The spelling of 73400067329 in words is "seventy-three billion, four hundred million, sixty-seven thousand, three hundred twenty-nine".