729540537 has 16 divisors (see below), whose sum is σ = 1085829888. Its totient is φ = 431862480.

The previous prime is 729540529. The next prime is 729540557. The reversal of 729540537 is 735045927.

It is not a de Polignac number, because 729540537 - 2³ = 729540529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (729540517) 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, 255643 + ... + 258480.

It is an arithmetic number, because the mean of its divisors is an integer number (67864368).

Almost surely, 2^729540537 is an apocalyptic number.

It is an amenable number.

729540537 is a deficient number, since it is larger than the sum of its proper divisors (356289351).

729540537 is a wasteful number, since it uses less digits than its factorization.

729540537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514180.

The product of its (nonzero) digits is 264600, while the sum is 42.

The square root of 729540537 is about 27010.0080895952. The cubic root of 729540537 is about 900.2223882536. Note that the first 3 decimals are identical.

The spelling of 729540537 in words is "seven hundred twenty-nine million, five hundred forty thousand, five hundred thirty-seven".