16772893 has 2 divisors, whose sum is σ = 16772894. Its totient is φ = 16772892.

The previous prime is 16772879. The next prime is 16772923. The reversal of 16772893 is 39827761.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15077689 + 1695204 = 3883^2 + 1302^2 .

It is a cyclic number.

It is not a de Polignac number, because 16772893 - 2¹³ = 16764701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16772993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8386446 + 8386447.

It is an arithmetic number, because the mean of its divisors is an integer number (8386447).

Almost surely, 2^16772893 is an apocalyptic number.

It is an amenable number.

16772893 is a deficient number, since it is larger than the sum of its proper divisors (1).

16772893 is an equidigital number, since it uses as much as digits as its factorization.

16772893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The square root of 16772893 is about 4095.4722560408. The cubic root of 16772893 is about 255.9780101961.

The spelling of 16772893 in words is "sixteen million, seven hundred seventy-two thousand, eight hundred ninety-three".