16704739 has 8 divisors (see below), whose sum is σ = 17487360. Its totient is φ = 15926856.

The previous prime is 16704731. The next prime is 16704763. The reversal of 16704739 is 93740761.

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

It is not a de Polignac number, because 16704739 - 2³ = 16704731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16704698 and 16704707.

It is not an unprimeable number, because it can be changed into a prime (16704731) 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, 7452 + ... + 9430.

It is an arithmetic number, because the mean of its divisors is an integer number (2185920).

Almost surely, 2^16704739 is an apocalyptic number.

16704739 is a deficient number, since it is larger than the sum of its proper divisors (782621).

16704739 is a wasteful number, since it uses less digits than its factorization.

16704739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 16704739 is about 4087.1431342687. The cubic root of 16704739 is about 255.6308308042.

The spelling of 16704739 in words is "sixteen million, seven hundred four thousand, seven hundred thirty-nine".