73730429 has 2 divisors, whose sum is σ = 73730430. Its totient is φ = 73730428.

The previous prime is 73730417. The next prime is 73730453. The reversal of 73730429 is 92403737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67980025 + 5750404 = 8245^2 + 2398^2 .

It is a cyclic number.

It is not a de Polignac number, because 73730429 - 2⁴ = 73730413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73730329) 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, 36865214 + 36865215.

It is an arithmetic number, because the mean of its divisors is an integer number (36865215).

Almost surely, 2^73730429 is an apocalyptic number.

It is an amenable number.

73730429 is a deficient number, since it is larger than the sum of its proper divisors (1).

73730429 is an equidigital number, since it uses as much as digits as its factorization.

73730429 is an odious number, because the sum of its binary digits is odd.

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

The square root of 73730429 is about 8586.6424753800. The cubic root of 73730429 is about 419.3232278990.

The spelling of 73730429 in words is "seventy-three million, seven hundred thirty thousand, four hundred twenty-nine".