729013656 has 32 divisors (see below), whose sum is σ = 2082896640. Its totient is φ = 208289568.

The previous prime is 729013633. The next prime is 729013721. The reversal of 729013656 is 656310927.

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, 2169516 + ... + 2169851.

It is an arithmetic number, because the mean of its divisors is an integer number (65090520).

Almost surely, 2^729013656 is an apocalyptic number.

It is an amenable number.

729013656 is an abundant number, since it is smaller than the sum of its proper divisors (1353882984).

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

729013656 is a wasteful number, since it uses less digits than its factorization.

729013656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339383 (or 4339379 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 729013656 is about 27000.2528877046. The cubic root of 729013656 is about 900.0056197180.

The spelling of 729013656 in words is "seven hundred twenty-nine million, thirteen thousand, six hundred fifty-six".