729892042 has 24 divisors (see below), whose sum is σ = 1268769600. Its totient is φ = 312250560.

The previous prime is 729892027. The next prime is 729892061. The reversal of 729892042 is 240298927.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 729892042.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51042 + ... + 63757.

It is an arithmetic number, because the mean of its divisors is an integer number (52865400).

Almost surely, 2^729892042 is an apocalyptic number.

729892042 is a deficient number, since it is larger than the sum of its proper divisors (538877558).

729892042 is a wasteful number, since it uses less digits than its factorization.

729892042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114846 (or 114829 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 729892042 is about 27016.5142459200. The cubic root of 729892042 is about 900.3669458426.

The spelling of 729892042 in words is "seven hundred twenty-nine million, eight hundred ninety-two thousand, forty-two".