729770814 has 24 divisors (see below), whose sum is σ = 1632176832. Its totient is φ = 235409760.

The previous prime is 729770813. The next prime is 729770827. The reversal of 729770814 is 418077927.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 729770814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729770813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 653359 + ... + 654474.

It is an arithmetic number, because the mean of its divisors is an integer number (68007368).

Almost surely, 2^729770814 is an apocalyptic number.

729770814 is an abundant number, since it is smaller than the sum of its proper divisors (902406018).

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

729770814 is a wasteful number, since it uses less digits than its factorization.

729770814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307872 (or 1307869 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 729770814 is about 27014.2705620566. The cubic root of 729770814 is about 900.3170956724.

The spelling of 729770814 in words is "seven hundred twenty-nine million, seven hundred seventy thousand, eight hundred fourteen".