16343730 has 96 divisors (see below), whose sum is σ = 46715760. Its totient is φ = 3939840.

The previous prime is 16343699. The next prime is 16343737. The reversal of 16343730 is 3734361.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3448449 + 12895281 = 1857^2 + 3591^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16343694 and 16343703.

It is not an unprimeable number, because it can be changed into a prime (16343737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71256 + ... + 71484.

Almost surely, 2^16343730 is an apocalyptic number.

16343730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16343730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23357880).

16343730 is an abundant number, since it is smaller than the sum of its proper divisors (30372030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16343730 is a wasteful number, since it uses less digits than its factorization.

16343730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 16343730 is about 4042.7379336286. The cubic root of 16343730 is about 253.7759095742.

The spelling of 16343730 in words is "sixteen million, three hundred forty-three thousand, seven hundred thirty".