729452093 has 2 divisors, whose sum is σ = 729452094. Its totient is φ = 729452092.

The previous prime is 729452071. The next prime is 729452117. The reversal of 729452093 is 390254927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 637714009 + 91738084 = 25253^2 + 9578^2 .

It is a cyclic number.

It is not a de Polignac number, because 729452093 - 2⁸ = 729451837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 729452093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729452393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364726046 + 364726047.

It is an arithmetic number, because the mean of its divisors is an integer number (364726047).

Almost surely, 2^729452093 is an apocalyptic number.

It is an amenable number.

729452093 is a deficient number, since it is larger than the sum of its proper divisors (1).

729452093 is an equidigital number, since it uses as much as digits as its factorization.

729452093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 729452093 is about 27008.3707949961. The cubic root of 729452093 is about 900.1860080561.

The spelling of 729452093 in words is "seven hundred twenty-nine million, four hundred fifty-two thousand, ninety-three".