16672772 has 24 divisors (see below), whose sum is σ = 29729280. Its totient is φ = 8180640.

The previous prime is 16672771. The next prime is 16672787. The reversal of 16672772 is 27727661.

It is not an unprimeable number, because it can be changed into a prime (16672771) by changing a digit.

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, 87197 + ... + 87387.

It is an arithmetic number, because the mean of its divisors is an integer number (1238720).

Almost surely, 2^16672772 is an apocalyptic number.

It is an amenable number.

16672772 is a deficient number, since it is larger than the sum of its proper divisors (13056508).

16672772 is a wasteful number, since it uses less digits than its factorization.

16672772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 489 counting only the distinct ones).

The product of its digits is 49392, while the sum is 38.

The square root of 16672772 is about 4083.2305837413. The cubic root of 16672772 is about 255.4676641535.

Multiplying 16672772 by its sum of digits (38), we get a palindrome (633565336).

The spelling of 16672772 in words is "sixteen million, six hundred seventy-two thousand, seven hundred seventy-two".