729889074 has 24 divisors (see below), whose sum is σ = 1582127040. Its totient is φ = 243188568.

The previous prime is 729889073. The next prime is 729889103. The reversal of 729889074 is 470988927.

It is a self number, because there is not a number n which added to its sum of digits gives 729889074.

It is not an unprimeable number, because it can be changed into a prime (729889073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39987 + ... + 55305.

It is an arithmetic number, because the mean of its divisors is an integer number (65921960).

Almost surely, 2^729889074 is an apocalyptic number.

729889074 is an abundant number, since it is smaller than the sum of its proper divisors (852237966).

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

729889074 is a wasteful number, since it uses less digits than its factorization.

729889074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17974 (or 17971 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 729889074 is about 27016.4593164982. The cubic root of 729889074 is about 900.3657254372.

The spelling of 729889074 in words is "seven hundred twenty-nine million, eight hundred eighty-nine thousand, seventy-four".