16968772 has 6 divisors (see below), whose sum is σ = 29695358. Its totient is φ = 8484384.

The previous prime is 16968751. The next prime is 16968773. The reversal of 16968772 is 27786961.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16760836 + 207936 = 4094^2 + 456^2 .

It is not an unprimeable number, because it can be changed into a prime (16968773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121093 + ... + 2121100.

Almost surely, 2^16968772 is an apocalyptic number.

It is an amenable number.

16968772 is a deficient number, since it is larger than the sum of its proper divisors (12726586).

16968772 is a wasteful number, since it uses less digits than its factorization.

16968772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242197 (or 4242195 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 16968772 is about 4119.3169336675. The cubic root of 16968772 is about 256.9706194617.

The spelling of 16968772 in words is "sixteen million, nine hundred sixty-eight thousand, seven hundred seventy-two".