728243206 has 8 divisors (see below), whose sum is σ = 1092702744. Its totient is φ = 364008960.

The previous prime is 728243147. The next prime is 728243207. The reversal of 728243206 is 602342827.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728243207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47995 + ... + 61318.

It is an arithmetic number, because the mean of its divisors is an integer number (136587843).

Almost surely, 2^728243206 is an apocalyptic number.

728243206 is a deficient number, since it is larger than the sum of its proper divisors (364459538).

728243206 is a wasteful number, since it uses less digits than its factorization.

728243206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112646.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 728243206 is about 26985.9816571493. The cubic root of 728243206 is about 899.6884543071.

The spelling of 728243206 in words is "seven hundred twenty-eight million, two hundred forty-three thousand, two hundred six".