16972479 has 12 divisors (see below), whose sum is σ = 24862032. Its totient is φ = 11155200.

The previous prime is 16972463. The next prime is 16972481. The reversal of 16972479 is 97427961.

It is not a de Polignac number, because 16972479 - 2⁴ = 16972463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16972429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12642 + ... + 13919.

It is an arithmetic number, because the mean of its divisors is an integer number (2071836).

Almost surely, 2^16972479 is an apocalyptic number.

16972479 is a deficient number, since it is larger than the sum of its proper divisors (7889553).

16972479 is a wasteful number, since it uses less digits than its factorization.

16972479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26638 (or 26635 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 16972479 is about 4119.7668623358. The cubic root of 16972479 is about 256.9893307102.

The spelling of 16972479 in words is "sixteen million, nine hundred seventy-two thousand, four hundred seventy-nine".