729431743 has 2 divisors, whose sum is σ = 729431744. Its totient is φ = 729431742.

The previous prime is 729431701. The next prime is 729431749. The reversal of 729431743 is 347134927.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 729431743 - 2¹³ = 729423551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 729431696 and 729431705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729431749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364715871 + 364715872.

It is an arithmetic number, because the mean of its divisors is an integer number (364715872).

Almost surely, 2^729431743 is an apocalyptic number.

729431743 is a deficient number, since it is larger than the sum of its proper divisors (1).

729431743 is an equidigital number, since it uses as much as digits as its factorization.

729431743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 40.

The square root of 729431743 is about 27007.9940573157. The cubic root of 729431743 is about 900.1776369532.

The spelling of 729431743 in words is "seven hundred twenty-nine million, four hundred thirty-one thousand, seven hundred forty-three".