73730329 has 2 divisors, whose sum is σ = 73730330. Its totient is φ = 73730328.

The previous prime is 73730323. The next prime is 73730401. The reversal of 73730329 is 92303737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51451929 + 22278400 = 7173^2 + 4720^2 .

It is an emirp because it is prime and its reverse (92303737) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73730329 - 2⁵ = 73730297 is a prime.

It is a super-2 number, since 2×73730329² = 10872322828896482, which contains 22 as substring.

It is equal to p_4324399 and since 73730329 and 4324399 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 73730294 and 73730303.

It is not a weakly prime, because it can be changed into another prime (73730323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36865164 + 36865165.

It is an arithmetic number, because the mean of its divisors is an integer number (36865165).

Almost surely, 2^73730329 is an apocalyptic number.

It is an amenable number.

73730329 is a deficient number, since it is larger than the sum of its proper divisors (1).

73730329 is an equidigital number, since it uses as much as digits as its factorization.

73730329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 34.

The square root of 73730329 is about 8586.6366523803. The cubic root of 73730329 is about 419.3230383240.

The spelling of 73730329 in words is "seventy-three million, seven hundred thirty thousand, three hundred twenty-nine".