728076343 has 16 divisors (see below), whose sum is σ = 764739360. Its totient is φ = 692447616.

The previous prime is 728076341. The next prime is 728076359. The reversal of 728076343 is 343670827.

It is a happy number.

728076343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 728076343 - 2¹ = 728076341 is a prime.

It is a super-2 number, since 2×728076343² = 1060190322472507298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 728076296 and 728076305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728076341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429205 + ... + 430897.

It is an arithmetic number, because the mean of its divisors is an integer number (47796210).

Almost surely, 2^728076343 is an apocalyptic number.

728076343 is a deficient number, since it is larger than the sum of its proper divisors (36663017).

728076343 is a wasteful number, since it uses less digits than its factorization.

728076343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 728076343 is about 26982.8898192910. The cubic root of 728076343 is about 899.6197335918.

The spelling of 728076343 in words is "seven hundred twenty-eight million, seventy-six thousand, three hundred forty-three".