16726872 has 32 divisors (see below), whose sum is σ = 41958000. Its totient is φ = 5556864.

The previous prime is 16726867. The next prime is 16726883. The reversal of 16726872 is 27862761.

It is a self number, because there is not a number n which added to its sum of digits gives 16726872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7378 + ... + 9374.

Almost surely, 2^16726872 is an apocalyptic number.

16726872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16726872 is an abundant number, since it is smaller than the sum of its proper divisors (25231128).

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

16726872 is a wasteful number, since it uses less digits than its factorization.

16726872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355 (or 2351 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 16726872 is about 4089.8498749954. The cubic root of 16726872 is about 255.7436806210.

The spelling of 16726872 in words is "sixteen million, seven hundred twenty-six thousand, eight hundred seventy-two".