16730797 has 4 divisors (see below), whose sum is σ = 16960060. Its totient is φ = 16501536.

The previous prime is 16730783. The next prime is 16730803. The reversal of 16730797 is 79703761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79703761 = 241 ⋅330721.

It can be written as a sum of positive squares in 2 ways, for example, as 2996361 + 13734436 = 1731^2 + 3706^2 .

It is a cyclic number.

It is not a de Polignac number, because 16730797 - 2¹¹ = 16728749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16760797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114522 + ... + 114667.

It is an arithmetic number, because the mean of its divisors is an integer number (4240015).

Almost surely, 2^16730797 is an apocalyptic number.

It is an amenable number.

16730797 is a deficient number, since it is larger than the sum of its proper divisors (229263).

16730797 is an equidigital number, since it uses as much as digits as its factorization.

16730797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229262.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 16730797 is about 4090.3296933132. The cubic root of 16730797 is about 255.7636826760.

The spelling of 16730797 in words is "sixteen million, seven hundred thirty thousand, seven hundred ninety-seven".