16772946 has 8 divisors (see below), whose sum is σ = 33545904. Its totient is φ = 5590980.

The previous prime is 16772927. The next prime is 16772983. The reversal of 16772946 is 64927761.

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

16772946 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 16772898 and 16772907.

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, 1397740 + ... + 1397751.

It is an arithmetic number, because the mean of its divisors is an integer number (4193238).

Almost surely, 2^16772946 is an apocalyptic number.

16772946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16772946 is a wasteful number, since it uses less digits than its factorization.

16772946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795496.

The product of its digits is 127008, while the sum is 42.

The square root of 16772946 is about 4095.4787265960. The cubic root of 16772946 is about 255.9782798141.

The spelling of 16772946 in words is "sixteen million, seven hundred seventy-two thousand, nine hundred forty-six".