729079937 has 4 divisors (see below), whose sum is σ = 729163476. Its totient is φ = 728996400.

The previous prime is 729079927. The next prime is 729079973. The reversal of 729079937 is 739970927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 739970927 = 23 ⋅32172649.

It can be written as a sum of positive squares in 2 ways, for example, as 712302721 + 16777216 = 26689^2 + 4096^2 .

It is a cyclic number.

It is not a de Polignac number, because 729079937 - 2⁶ = 729079873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (729079927) 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 in 3 ways as a sum of consecutive naturals, for example, 26918 + ... + 46719.

It is an arithmetic number, because the mean of its divisors is an integer number (182290869).

Almost surely, 2^729079937 is an apocalyptic number.

It is an amenable number.

729079937 is a deficient number, since it is larger than the sum of its proper divisors (83539).

729079937 is an equidigital number, since it uses as much as digits as its factorization.

729079937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83538.

The product of its (nonzero) digits is 1500282, while the sum is 53.

The square root of 729079937 is about 27001.4802742368. The cubic root of 729079937 is about 900.0328946825.

The spelling of 729079937 in words is "seven hundred twenty-nine million, seventy-nine thousand, nine hundred thirty-seven".