16724201 has 8 divisors (see below), whose sum is σ = 18064200. Its totient is φ = 15391872.

The previous prime is 16724189. The next prime is 16724231. The reversal of 16724201 is 10242761.

It can be written as a sum of positive squares in 4 ways, for example, as 313600 + 16410601 = 560^2 + 4051^2 .

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 16724201 - 2⁶ = 16724137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16724231) 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, 3125 + ... + 6573.

It is an arithmetic number, because the mean of its divisors is an integer number (2258025).

Almost surely, 2^16724201 is an apocalyptic number.

It is an amenable number.

16724201 is a deficient number, since it is larger than the sum of its proper divisors (1339999).

16724201 is a wasteful number, since it uses less digits than its factorization.

16724201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 16724201 is about 4089.5233218555. The cubic root of 16724201 is about 255.7300672422.

Adding to 16724201 its reverse (10242761), we get a palindrome (26966962).

It can be divided in two parts, 16 and 724201, that multiplied together give a square (11587216 = 3404²).

The spelling of 16724201 in words is "sixteen million, seven hundred twenty-four thousand, two hundred one".