728002430 has 8 divisors (see below), whose sum is σ = 1310404392. Its totient is φ = 291200968.

The previous prime is 728002409. The next prime is 728002439. The reversal of 728002430 is 34200827.

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 728002430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728002439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36400112 + ... + 36400131.

It is an arithmetic number, because the mean of its divisors is an integer number (163800549).

Almost surely, 2^728002430 is an apocalyptic number.

728002430 is a deficient number, since it is larger than the sum of its proper divisors (582401962).

728002430 is a wasteful number, since it uses less digits than its factorization.

728002430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72800250.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 728002430 is about 26981.5201573225. The cubic root of 728002430 is about 899.5892899695.

The spelling of 728002430 in words is "seven hundred twenty-eight million, two thousand, four hundred thirty".