16730530 has 8 divisors (see below), whose sum is σ = 30114972. Its totient is φ = 6692208.

The previous prime is 16730509. The next prime is 16730587. The reversal of 16730530 is 3503761.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16719921 + 10609 = 4089^2 + 103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 16730495 and 16730504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836517 + ... + 836536.

Almost surely, 2^16730530 is an apocalyptic number.

16730530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16730530 is a deficient number, since it is larger than the sum of its proper divisors (13384442).

16730530 is a wasteful number, since it uses less digits than its factorization.

16730530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673060.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 16730530 is about 4090.2970552272. The cubic root of 16730530 is about 255.7623221258.

The spelling of 16730530 in words is "sixteen million, seven hundred thirty thousand, five hundred thirty".