729241886 has 8 divisors (see below), whose sum is σ = 1096462344. Its totient is φ = 363754440.

The previous prime is 729241871. The next prime is 729241897. The reversal of 729241886 is 688142927.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 729241886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432200 + ... + 433883.

It is an arithmetic number, because the mean of its divisors is an integer number (137057793).

Almost surely, 2^729241886 is an apocalyptic number.

729241886 is a deficient number, since it is larger than the sum of its proper divisors (367220458).

729241886 is a wasteful number, since it uses less digits than its factorization.

729241886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866506.

The product of its digits is 387072, while the sum is 47.

The square root of 729241886 is about 27004.4789988624. The cubic root of 729241886 is about 900.0995305563.

The spelling of 729241886 in words is "seven hundred twenty-nine million, two hundred forty-one thousand, eight hundred eighty-six".