16723249 has 8 divisors (see below), whose sum is σ = 17936640. Its totient is φ = 15543216.

The previous prime is 16723243. The next prime is 16723261. The reversal of 16723249 is 94232761.

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

It is not a de Polignac number, because 16723249 - 2⁹ = 16722737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16723243) 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, 7297 + ... + 9310.

It is an arithmetic number, because the mean of its divisors is an integer number (2242080).

Almost surely, 2^16723249 is an apocalyptic number.

16723249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16723249 is a deficient number, since it is larger than the sum of its proper divisors (1213391).

16723249 is a wasteful number, since it uses less digits than its factorization.

16723249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16679.

The product of its digits is 18144, while the sum is 34.

The square root of 16723249 is about 4089.4069252154. The cubic root of 16723249 is about 255.7252148002.

It can be divided in two parts, 167232 and 49, that added together give a square (167281 = 409²).

The spelling of 16723249 in words is "sixteen million, seven hundred twenty-three thousand, two hundred forty-nine".