16972790 has 16 divisors (see below), whose sum is σ = 30689712. Its totient is φ = 6758304.

The previous prime is 16972771. The next prime is 16972819. The reversal of 16972790 is 9727961.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469 + ... + 6008.

It is an arithmetic number, because the mean of its divisors is an integer number (1918107).

Almost surely, 2^16972790 is an apocalyptic number.

16972790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16972790 is a deficient number, since it is larger than the sum of its proper divisors (13716922).

16972790 is a wasteful number, since it uses less digits than its factorization.

16972790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 16972790 is about 4119.8046070172. The cubic root of 16972790 is about 256.9909003728.

The spelling of 16972790 in words is "sixteen million, nine hundred seventy-two thousand, seven hundred ninety".