16949742 has 16 divisors (see below), whose sum is σ = 33944400. Its totient is φ = 5642432.

The previous prime is 16949711. The next prime is 16949773. The reversal of 16949742 is 24794961.

It is an interprime number because it is at equal distance from previous prime (16949711) and next prime (16949773).

It is a junction number, because it is equal to n+sod(n) for n = 16949694 and 16949703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4948 + ... + 7640.

It is an arithmetic number, because the mean of its divisors is an integer number (2121525).

Almost surely, 2^16949742 is an apocalyptic number.

16949742 is an abundant number, since it is smaller than the sum of its proper divisors (16994658).

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

16949742 is a wasteful number, since it uses less digits than its factorization.

16949742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747.

The product of its digits is 108864, while the sum is 42.

The square root of 16949742 is about 4117.0064367207. The cubic root of 16949742 is about 256.8745217578.

The spelling of 16949742 in words is "sixteen million, nine hundred forty-nine thousand, seven hundred forty-two".