728232369 has 8 divisors (see below), whose sum is σ = 1004458560. Its totient is φ = 468747216.

The previous prime is 728232359. The next prime is 728232397. The reversal of 728232369 is 963232827.

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

It is not a de Polignac number, because 728232369 - 2¹² = 728228273 is a prime.

It is a super-2 number, since 2×728232369² = 1060644766518704322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 728232369.

It is not an unprimeable number, because it can be changed into a prime (728232319) 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, 4185157 + ... + 4185330.

It is an arithmetic number, because the mean of its divisors is an integer number (125557320).

Almost surely, 2^728232369 is an apocalyptic number.

It is an amenable number.

728232369 is a deficient number, since it is larger than the sum of its proper divisors (276226191).

728232369 is a wasteful number, since it uses less digits than its factorization.

728232369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8370519.

The product of its digits is 217728, while the sum is 42.

The square root of 728232369 is about 26985.7808669677. The cubic root of 728232369 is about 899.6839915251.

The spelling of 728232369 in words is "seven hundred twenty-eight million, two hundred thirty-two thousand, three hundred sixty-nine".