729017874 has 32 divisors (see below), whose sum is σ = 1744659840. Its totient is φ = 224312976.

The previous prime is 729017873. The next prime is 729017879. The reversal of 729017874 is 478710927.

It is a happy number.

It is a super-2 number, since 2×729017874² = 1062934121222959752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (729017873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518542 + ... + 519945.

It is an arithmetic number, because the mean of its divisors is an integer number (54520620).

Almost surely, 2^729017874 is an apocalyptic number.

729017874 is an abundant number, since it is smaller than the sum of its proper divisors (1015641966).

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

729017874 is a wasteful number, since it uses less digits than its factorization.

729017874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038511 (or 1038505 counting only the distinct ones).

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

The square root of 729017874 is about 27000.3309979711. The cubic root of 729017874 is about 900.0073554954.

The spelling of 729017874 in words is "seven hundred twenty-nine million, seventeen thousand, eight hundred seventy-four".