728266283 has 4 divisors (see below), whose sum is σ = 728376240. Its totient is φ = 728156328.

The previous prime is 728266271. The next prime is 728266307. The reversal of 728266283 is 382662827.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 728266283 - 2¹⁶ = 728200747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728266243) 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, 44360 + ... + 58517.

It is an arithmetic number, because the mean of its divisors is an integer number (182094060).

Almost surely, 2^728266283 is an apocalyptic number.

728266283 is a deficient number, since it is larger than the sum of its proper divisors (109957).

728266283 is a wasteful number, since it uses less digits than its factorization.

728266283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109956.

The product of its digits is 387072, while the sum is 44.

The square root of 728266283 is about 26986.4092276094. The cubic root of 728266283 is about 899.6979574928.

The spelling of 728266283 in words is "seven hundred twenty-eight million, two hundred sixty-six thousand, two hundred eighty-three".