16972630 has 16 divisors (see below), whose sum is σ = 32348160. Its totient is φ = 6389632.

The previous prime is 16972609. The next prime is 16972633. The reversal of 16972630 is 3627961.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16972633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49750 + ... + 50089.

It is an arithmetic number, because the mean of its divisors is an integer number (2021760).

Almost surely, 2^16972630 is an apocalyptic number.

16972630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16972630 is a deficient number, since it is larger than the sum of its proper divisors (15375530).

16972630 is a wasteful number, since it uses less digits than its factorization.

16972630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99863.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 16972630 is about 4119.7851885748. The cubic root of 16972630 is about 256.9900928317.

The spelling of 16972630 in words is "sixteen million, nine hundred seventy-two thousand, six hundred thirty".