16730071 has 4 divisors (see below), whose sum is σ = 17307000. Its totient is φ = 16153144.

The previous prime is 16730059. The next prime is 16730081. The reversal of 16730071 is 17003761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17003761 = 1291 ⋅13171.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16730071 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 (16730041) 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, 288421 + ... + 288478.

It is an arithmetic number, because the mean of its divisors is an integer number (4326750).

Almost surely, 2^16730071 is an apocalyptic number.

16730071 is a deficient number, since it is larger than the sum of its proper divisors (576929).

16730071 is an equidigital number, since it uses as much as digits as its factorization.

16730071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576928.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 16730071 is about 4090.2409464480. The cubic root of 16730071 is about 255.7599831687.

The spelling of 16730071 in words is "sixteen million, seven hundred thirty thousand, seventy-one".