16672072 has 8 divisors (see below), whose sum is σ = 31260150. Its totient is φ = 8336032.

The previous prime is 16672049. The next prime is 16672099. The reversal of 16672072 is 27027661.

It can be written as a sum of positive squares in only one way, i.e., 12152196 + 4519876 = 3486^2 + 2126^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1041997 + ... + 1042012.

Almost surely, 2^16672072 is an apocalyptic number.

It is an amenable number.

16672072 is a deficient number, since it is larger than the sum of its proper divisors (14588078).

16672072 is a wasteful number, since it uses less digits than its factorization.

16672072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084015 (or 2084011 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 16672072 is about 4083.1448663989. The cubic root of 16672072 is about 255.4640888659.

The spelling of 16672072 in words is "sixteen million, six hundred seventy-two thousand, seventy-two".