73047329 has 2 divisors, whose sum is σ = 73047330. Its totient is φ = 73047328.

The previous prime is 73047301. The next prime is 73047371. The reversal of 73047329 is 92374037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69889600 + 3157729 = 8360^2 + 1777^2 .

It is a cyclic number.

It is not a de Polignac number, because 73047329 - 2¹² = 73043233 is a prime.

It is not a weakly prime, because it can be changed into another prime (73047389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36523664 + 36523665.

It is an arithmetic number, because the mean of its divisors is an integer number (36523665).

Almost surely, 2^73047329 is an apocalyptic number.

It is an amenable number.

73047329 is a deficient number, since it is larger than the sum of its proper divisors (1).

73047329 is an equidigital number, since it uses as much as digits as its factorization.

73047329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 73047329 is about 8546.7730167590. The cubic root of 73047329 is about 418.0242215614.

The spelling of 73047329 in words is "seventy-three million, forty-seven thousand, three hundred twenty-nine".