16724245 has 8 divisors (see below), whose sum is σ = 20496384. Its totient is φ = 13094544.

The previous prime is 16724233. The next prime is 16724261. The reversal of 16724245 is 54242761.

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 16724245 - 2⁷ = 16724117 is a prime.

It is a super-3 number, since 3×16724245³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35349 + ... + 35818.

It is an arithmetic number, because the mean of its divisors is an integer number (2562048).

Almost surely, 2^16724245 is an apocalyptic number.

It is an amenable number.

16724245 is a deficient number, since it is larger than the sum of its proper divisors (3772139).

16724245 is an equidigital number, since it uses as much as digits as its factorization.

16724245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71219.

The product of its digits is 13440, while the sum is 31.

The square root of 16724245 is about 4089.5287014520. The cubic root of 16724245 is about 255.7302915103.

The spelling of 16724245 in words is "sixteen million, seven hundred twenty-four thousand, two hundred forty-five".