16030730 has 8 divisors (see below), whose sum is σ = 28855332. Its totient is φ = 6412288.

The previous prime is 16030723. The next prime is 16030733. The reversal of 16030730 is 3703061.

It can be written as a sum of positive squares in 2 ways, for example, as 13344409 + 2686321 = 3653^2 + 1639^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16030733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801527 + ... + 801546.

Almost surely, 2^16030730 is an apocalyptic number.

16030730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16030730 is a deficient number, since it is larger than the sum of its proper divisors (12824602).

16030730 is a wasteful number, since it uses less digits than its factorization.

16030730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603080.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 16030730 is about 4003.8394073689. The cubic root of 16030730 is about 252.1454292002.

Adding to 16030730 its reverse (3703061), we get a palindrome (19733791).

The spelling of 16030730 in words is "sixteen million, thirty thousand, seven hundred thirty".