16972448 has 12 divisors (see below), whose sum is σ = 33414570. Its totient is φ = 8486208.

The previous prime is 16972429. The next prime is 16972463. The reversal of 16972448 is 84427961.

It can be written as a sum of positive squares in only one way, i.e., 13630864 + 3341584 = 3692^2 + 1828^2 .

It is a super-2 number, since 2×16972448² = 576127982225408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265163 + ... + 265226.

Almost surely, 2^16972448 is an apocalyptic number.

It is an amenable number.

16972448 is a deficient number, since it is larger than the sum of its proper divisors (16442122).

16972448 is an equidigital number, since it uses as much as digits as its factorization.

16972448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530399 (or 530391 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 16972448 is about 4119.7630999852. The cubic root of 16972448 is about 256.9891742476.

The spelling of 16972448 in words is "sixteen million, nine hundred seventy-two thousand, four hundred forty-eight".