16670723 has 8 divisors (see below), whose sum is σ = 17130960. Its totient is φ = 16213120.

The previous prime is 16670701. The next prime is 16670743. The reversal of 16670723 is 32707661.

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 16670723 - 2¹⁶ = 16605187 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 16670723.

It is not an unprimeable number, because it can be changed into a prime (16670743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24968 + ... + 25626.

It is an arithmetic number, because the mean of its divisors is an integer number (2141370).

Almost surely, 2^16670723 is an apocalyptic number.

16670723 is a deficient number, since it is larger than the sum of its proper divisors (460237).

16670723 is an equidigital number, since it uses as much as digits as its factorization.

16670723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 16670723 is about 4082.9796717593. The cubic root of 16670723 is about 255.4571984935.

The spelling of 16670723 in words is "sixteen million, six hundred seventy thousand, seven hundred twenty-three".