16723073 has 4 divisors (see below), whose sum is σ = 16741680. Its totient is φ = 16704468.

The previous prime is 16723061. The next prime is 16723079. The reversal of 16723073 is 37032761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16723073 - 2¹⁴ = 16706689 is a prime.

It is a super-2 number, since 2×16723073² = 559322341126658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16723079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7883 + ... + 9776.

It is an arithmetic number, because the mean of its divisors is an integer number (4185420).

Almost surely, 2^16723073 is an apocalyptic number.

It is an amenable number.

16723073 is a deficient number, since it is larger than the sum of its proper divisors (18607).

16723073 is an equidigital number, since it uses as much as digits as its factorization.

16723073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18606.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 16723073 is about 4089.3854061460. The cubic root of 16723073 is about 255.7243176900.

The spelling of 16723073 in words is "sixteen million, seven hundred twenty-three thousand, seventy-three".