16042739 has 8 divisors (see below), whose sum is σ = 16305312. Its totient is φ = 15782400.

The previous prime is 16042703. The next prime is 16042757. The reversal of 16042739 is 93724061.

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

It is a cyclic number.

It is not a de Polignac number, because 16042739 - 2¹² = 16038643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16042759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19082 + ... + 19904.

It is an arithmetic number, because the mean of its divisors is an integer number (2038164).

Almost surely, 2^16042739 is an apocalyptic number.

16042739 is a deficient number, since it is larger than the sum of its proper divisors (262573).

16042739 is a wasteful number, since it uses less digits than its factorization.

16042739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 16042739 is about 4005.3388121356. The cubic root of 16042739 is about 252.2083761913.

The spelling of 16042739 in words is "sixteen million, forty-two thousand, seven hundred thirty-nine".