16772836 has 6 divisors (see below), whose sum is σ = 29352470. Its totient is φ = 8386416.

The previous prime is 16772831. The next prime is 16772867. The reversal of 16772836 is 63827761.

It can be written as a sum of positive squares in only one way, i.e., 16564900 + 207936 = 4070^2 + 456^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16772831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2096601 + ... + 2096608.

Almost surely, 2^16772836 is an apocalyptic number.

It is an amenable number.

16772836 is a deficient number, since it is larger than the sum of its proper divisors (12579634).

16772836 is a wasteful number, since it uses less digits than its factorization.

16772836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193213 (or 4193211 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 16772836 is about 4095.4652971305. The cubic root of 16772836 is about 255.9777202290.

The spelling of 16772836 in words is "sixteen million, seven hundred seventy-two thousand, eight hundred thirty-six".