729077872 has 20 divisors (see below), whose sum is σ = 1413034560. Its totient is φ = 364423808.

The previous prime is 729077849. The next prime is 729077873. The reversal of 729077872 is 278770927.

729077872 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 not an unprimeable number, because it can be changed into a prime (729077873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70404 + ... + 80092.

It is an arithmetic number, because the mean of its divisors is an integer number (70651728).

Almost surely, 2^729077872 is an apocalyptic number.

It is an amenable number.

729077872 is a deficient number, since it is larger than the sum of its proper divisors (683956688).

729077872 is a wasteful number, since it uses less digits than its factorization.

729077872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14400 (or 14394 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 49.

The square root of 729077872 is about 27001.4420355654. The cubic root of 729077872 is about 900.0320449495.

The spelling of 729077872 in words is "seven hundred twenty-nine million, seventy-seven thousand, eight hundred seventy-two".