729897357 has 16 divisors (see below), whose sum is σ = 1135890432. Its totient is φ = 408209520.

The previous prime is 729897349. The next prime is 729897359. The reversal of 729897357 is 753798927.

It is not a de Polignac number, because 729897357 - 2³ = 729897349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 729897297 and 729897306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729897359) 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, 368769 + ... + 370742.

It is an arithmetic number, because the mean of its divisors is an integer number (70993152).

Almost surely, 2^729897357 is an apocalyptic number.

It is an amenable number.

729897357 is a deficient number, since it is larger than the sum of its proper divisors (405993075).

729897357 is a wasteful number, since it uses less digits than its factorization.

729897357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739568.

The product of its digits is 6667920, while the sum is 57.

The square root of 729897357 is about 27016.6126115026. The cubic root of 729897357 is about 900.3691312977.

The spelling of 729897357 in words is "seven hundred twenty-nine million, eight hundred ninety-seven thousand, three hundred fifty-seven".