16722707 has 2 divisors, whose sum is σ = 16722708. Its totient is φ = 16722706.

The previous prime is 16722697. The next prime is 16722737. The reversal of 16722707 is 70722761.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (70722761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16722707 - 2⁴ = 16722691 is a prime.

It is not a weakly prime, because it can be changed into another prime (16722737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8361353 + 8361354.

It is an arithmetic number, because the mean of its divisors is an integer number (8361354).

Almost surely, 2^16722707 is an apocalyptic number.

16722707 is a deficient number, since it is larger than the sum of its proper divisors (1).

16722707 is an equidigital number, since it uses as much as digits as its factorization.

16722707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 16722707 is about 4089.3406559004. The cubic root of 16722707 is about 255.7224520882.

The spelling of 16722707 in words is "sixteen million, seven hundred twenty-two thousand, seven hundred seven".