16807072 has 12 divisors (see below), whose sum is σ = 33088986. Its totient is φ = 8403520.

The previous prime is 16807069. The next prime is 16807073. The reversal of 16807072 is 27070861.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15968016 + 839056 = 3996^2 + 916^2 .

It is not an unprimeable number, because it can be changed into a prime (16807073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262579 + ... + 262642.

Almost surely, 2^16807072 is an apocalyptic number.

It is an amenable number.

16807072 is a deficient number, since it is larger than the sum of its proper divisors (16281914).

16807072 is an equidigital number, since it uses as much as digits as its factorization.

16807072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525231 (or 525223 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 16807072 is about 4099.6429112790. The cubic root of 16807072 is about 256.1517654792.

The spelling of 16807072 in words is "sixteen million, eight hundred seven thousand, seventy-two".