16979734 has 4 divisors (see below), whose sum is σ = 25469604. Its totient is φ = 8489866.

The previous prime is 16979713. The next prime is 16979759. The reversal of 16979734 is 43797961.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×16979734² = 576622733421512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4244932 + ... + 4244935.

It is an arithmetic number, because the mean of its divisors is an integer number (6367401).

Almost surely, 2^16979734 is an apocalyptic number.

16979734 is a deficient number, since it is larger than the sum of its proper divisors (8489870).

16979734 is an equidigital number, since it uses as much as digits as its factorization.

16979734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8489869.

The product of its digits is 285768, while the sum is 46.

The square root of 16979734 is about 4120.6472792512. The cubic root of 16979734 is about 257.0259427651.

The spelling of 16979734 in words is "sixteen million, nine hundred seventy-nine thousand, seven hundred thirty-four".