16722790 has 16 divisors (see below), whose sum is σ = 34401312. Its totient is φ = 5733504.

The previous prime is 16722787. The next prime is 16722791. The reversal of 16722790 is 9722761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16722791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119379 + ... + 119518.

It is an arithmetic number, because the mean of its divisors is an integer number (2150082).

Almost surely, 2^16722790 is an apocalyptic number.

16722790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16722790 is an abundant number, since it is smaller than the sum of its proper divisors (17678522).

16722790 is a wasteful number, since it uses less digits than its factorization.

16722790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238911.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 16722790 is about 4089.3508042231. The cubic root of 16722790 is about 255.7228751642.

The spelling of 16722790 in words is "sixteen million, seven hundred twenty-two thousand, seven hundred ninety".