16002739 has 4 divisors (see below), whose sum is σ = 16013200. Its totient is φ = 15992280.

The previous prime is 16002737. The next prime is 16002757. The reversal of 16002739 is 93720061.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16002739 - 2¹ = 16002737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16002737) 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, 2439 + ... + 6160.

It is an arithmetic number, because the mean of its divisors is an integer number (4003300).

Almost surely, 2^16002739 is an apocalyptic number.

16002739 is a deficient number, since it is larger than the sum of its proper divisors (10461).

16002739 is an equidigital number, since it uses as much as digits as its factorization.

16002739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10460.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 16002739 is about 4000.3423603487. The cubic root of 16002739 is about 251.9985880075.

The spelling of 16002739 in words is "sixteen million, two thousand, seven hundred thirty-nine".