728005379 has 8 divisors (see below), whose sum is σ = 730939440. Its totient is φ = 725078016.

The previous prime is 728005363. The next prime is 728005381. The reversal of 728005379 is 973500827.

728005379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 728005379 - 2⁴ = 728005363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728005309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339599 + ... + 341735.

It is an arithmetic number, because the mean of its divisors is an integer number (91367430).

Almost surely, 2^728005379 is an apocalyptic number.

728005379 is a deficient number, since it is larger than the sum of its proper divisors (2934061).

728005379 is a wasteful number, since it uses less digits than its factorization.

728005379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 728005379 is about 26981.5748057818. The cubic root of 728005379 is about 899.5905046565.

The spelling of 728005379 in words is "seven hundred twenty-eight million, five thousand, three hundred seventy-nine".