468729728 has 16 divisors (see below), whose sum is σ = 933797760. Its totient is φ = 234364800.

The previous prime is 468729691. The next prime is 468729733. The reversal of 468729728 is 827927864.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 468729728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830848 + ... + 1831103.

It is an arithmetic number, because the mean of its divisors is an integer number (58362360).

Almost surely, 2^468729728 is an apocalyptic number.

It is an amenable number.

468729728 is a deficient number, since it is larger than the sum of its proper divisors (465068032).

468729728 is an equidigital number, since it uses as much as digits as its factorization.

468729728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661965 (or 3661953 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 53.

The square root of 468729728 is about 21650.1669277629. The cubic root of 468729728 is about 776.7969281373.

The spelling of 468729728 in words is "four hundred sixty-eight million, seven hundred twenty-nine thousand, seven hundred twenty-eight".