73250729 has 2 divisors, whose sum is σ = 73250730. Its totient is φ = 73250728.

The previous prime is 73250701. The next prime is 73250731. The reversal of 73250729 is 92705237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68029504 + 5221225 = 8248^2 + 2285^2 .

It is a cyclic number.

It is not a de Polignac number, because 73250729 - 2⁸ = 73250473 is a prime.

Together with 73250731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73250759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36625364 + 36625365.

It is an arithmetic number, because the mean of its divisors is an integer number (36625365).

Almost surely, 2^73250729 is an apocalyptic number.

It is an amenable number.

73250729 is a deficient number, since it is larger than the sum of its proper divisors (1).

73250729 is an equidigital number, since it uses as much as digits as its factorization.

73250729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 73250729 is about 8558.6639728406. The cubic root of 73250729 is about 418.4118575931.

The spelling of 73250729 in words is "seventy-three million, two hundred fifty thousand, seven hundred twenty-nine".