729726990 has 16 divisors (see below), whose sum is σ = 1751344848. Its totient is φ = 194593856.

The previous prime is 729726983. The next prime is 729727043. The reversal of 729726990 is 99627927.

729726990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12162087 + ... + 12162146.

It is an arithmetic number, because the mean of its divisors is an integer number (109459053).

Almost surely, 2^729726990 is an apocalyptic number.

729726990 is an abundant number, since it is smaller than the sum of its proper divisors (1021617858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

729726990 is a wasteful number, since it uses less digits than its factorization.

729726990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24324243.

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 729726990 is about 27013.4594230358. The cubic root of 729726990 is about 900.2990734452.

The spelling of 729726990 in words is "seven hundred twenty-nine million, seven hundred twenty-six thousand, nine hundred ninety".