729547097 has 8 divisors (see below), whose sum is σ = 768006144. Its totient is φ = 691649728.

The previous prime is 729547069. The next prime is 729547103. The reversal of 729547097 is 790745927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 729547097 - 2⁶ = 729547033 is a prime.

It is a super-2 number, since 2×729547097² = 1064477933482254818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (729547037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137753 + ... + 142950.

It is an arithmetic number, because the mean of its divisors is an integer number (96000768).

Almost surely, 2^729547097 is an apocalyptic number.

It is an amenable number.

729547097 is a deficient number, since it is larger than the sum of its proper divisors (38459047).

729547097 is a wasteful number, since it uses less digits than its factorization.

729547097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280839.

The product of its (nonzero) digits is 1111320, while the sum is 50.

The square root of 729547097 is about 27010.1295257909. The cubic root of 729547097 is about 900.2250865004.

The spelling of 729547097 in words is "seven hundred twenty-nine million, five hundred forty-seven thousand, ninety-seven".