16972764 has 12 divisors (see below), whose sum is σ = 39603144. Its totient is φ = 5657584.

The previous prime is 16972759. The next prime is 16972771. The reversal of 16972764 is 46727961.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 707187 + ... + 707210.

It is an arithmetic number, because the mean of its divisors is an integer number (3300262).

Almost surely, 2^16972764 is an apocalyptic number.

It is an amenable number.

16972764 is an abundant number, since it is smaller than the sum of its proper divisors (22630380).

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

16972764 is a wasteful number, since it uses less digits than its factorization.

16972764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414404 (or 1414402 counting only the distinct ones).

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

The square root of 16972764 is about 4119.8014515265. The cubic root of 16972764 is about 256.9907691477.

The spelling of 16972764 in words is "sixteen million, nine hundred seventy-two thousand, seven hundred sixty-four".