16727990 has 8 divisors (see below), whose sum is σ = 30110400. Its totient is φ = 6691192.

The previous prime is 16727987. The next prime is 16728001. The reversal of 16727990 is 9972761.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836390 + ... + 836409.

It is an arithmetic number, because the mean of its divisors is an integer number (3763800).

Almost surely, 2^16727990 is an apocalyptic number.

16727990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16727990 is a deficient number, since it is larger than the sum of its proper divisors (13382410).

16727990 is a wasteful number, since it uses less digits than its factorization.

16727990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672806.

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

The square root of 16727990 is about 4089.9865525451. The cubic root of 16727990 is about 255.7493783403.

The spelling of 16727990 in words is "sixteen million, seven hundred twenty-seven thousand, nine hundred ninety".