16723970 has 16 divisors (see below), whose sum is σ = 30274560. Its totient is φ = 6651504.

The previous prime is 16723957. The next prime is 16723997. The reversal of 16723970 is 7932761.

It is a self number, because there is not a number n which added to its sum of digits gives 16723970.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882 + ... + 6461.

It is an arithmetic number, because the mean of its divisors is an integer number (1892160).

Almost surely, 2^16723970 is an apocalyptic number.

16723970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16723970 is a deficient number, since it is larger than the sum of its proper divisors (13550590).

16723970 is a wasteful number, since it uses less digits than its factorization.

16723970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9529.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 16723970 is about 4089.4950788575. The cubic root of 16723970 is about 255.7288898283.

The spelling of 16723970 in words is "sixteen million, seven hundred twenty-three thousand, nine hundred seventy".