16872764 has 12 divisors (see below), whose sum is σ = 29799000. Its totient is φ = 8358768.

The previous prime is 16872763. The next prime is 16872767. The reversal of 16872764 is 46727861.

Added to its reverse (46727861) it gives a square (63600625 = 7975²).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16872763) 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 3 ways as a sum of consecutive naturals, for example, 18914 + ... + 19785.

It is an arithmetic number, because the mean of its divisors is an integer number (2483250).

Almost surely, 2^16872764 is an apocalyptic number.

It is an amenable number.

16872764 is a deficient number, since it is larger than the sum of its proper divisors (12926236).

16872764 is a wasteful number, since it uses less digits than its factorization.

16872764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38812 (or 38810 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 16872764 is about 4107.6470150197. The cubic root of 16872764 is about 256.4850625938.

Adding to 16872764 its reverse (46727861), we get a square (63600625 = 7975²).

The spelling of 16872764 in words is "sixteen million, eight hundred seventy-two thousand, seven hundred sixty-four".