729764493 has 16 divisors (see below), whose sum is σ = 1017294720. Its totient is φ = 465333792.

The previous prime is 729764467. The next prime is 729764513. The reversal of 729764493 is 394467927.

It is not a de Polignac number, because 729764493 - 2⁸ = 729764237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729764443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26505 + ... + 46497.

It is an arithmetic number, because the mean of its divisors is an integer number (63580920).

Almost surely, 2^729764493 is an apocalyptic number.

It is an amenable number.

729764493 is a deficient number, since it is larger than the sum of its proper divisors (287530227).

729764493 is an equidigital number, since it uses as much as digits as its factorization.

729764493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20065 (or 20019 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 51.

The square root of 729764493 is about 27014.1535680835. The cubic root of 729764493 is about 900.3144962624.

The spelling of 729764493 in words is "seven hundred twenty-nine million, seven hundred sixty-four thousand, four hundred ninety-three".