16873720 has 32 divisors (see below), whose sum is σ = 39618720. Its totient is φ = 6455680.

The previous prime is 16873711. The next prime is 16873721. The reversal of 16873720 is 2737861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16873721) 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, 8251 + ... + 10090.

It is an arithmetic number, because the mean of its divisors is an integer number (1238085).

Almost surely, 2^16873720 is an apocalyptic number.

16873720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16873720 is an abundant number, since it is smaller than the sum of its proper divisors (22745000).

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

16873720 is a wasteful number, since it uses less digits than its factorization.

16873720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18375 (or 18371 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 16873720 is about 4107.7633816957. The cubic root of 16873720 is about 256.4899065954.

The spelling of 16873720 in words is "sixteen million, eight hundred seventy-three thousand, seven hundred twenty".