729310122 has 16 divisors (see below), whose sum is σ = 1620689280. Its totient is φ = 243103356.

The previous prime is 729310111. The next prime is 729310189. The reversal of 729310122 is 221013927.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 6752818 + ... + 6752925.

It is an arithmetic number, because the mean of its divisors is an integer number (101293080).

Almost surely, 2^729310122 is an apocalyptic number.

729310122 is an abundant number, since it is smaller than the sum of its proper divisors (891379158).

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

729310122 is a wasteful number, since it uses less digits than its factorization.

729310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13505754 (or 13505748 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 729310122 is about 27005.7423893512. The cubic root of 729310122 is about 900.1276041294.

The spelling of 729310122 in words is "seven hundred twenty-nine million, three hundred ten thousand, one hundred twenty-two".