16772906 has 8 divisors (see below), whose sum is σ = 25202244. Its totient is φ = 8372160.

The previous prime is 16772893. The next prime is 16772923. The reversal of 16772906 is 60927761.

It can be written as a sum of positive squares in 2 ways, for example, as 16605625 + 167281 = 4075^2 + 409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16772906.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5615 + ... + 8066.

Almost surely, 2^16772906 is an apocalyptic number.

16772906 is a deficient number, since it is larger than the sum of its proper divisors (8429338).

16772906 is a wasteful number, since it uses less digits than its factorization.

16772906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14296.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 16772906 is about 4095.4738431591. The cubic root of 16772906 is about 255.9780763289.

The spelling of 16772906 in words is "sixteen million, seven hundred seventy-two thousand, nine hundred six".