16764490 has 32 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 6326400.

The previous prime is 16764481. The next prime is 16764491. The reversal of 16764490 is 9446761.

It is not an unprimeable number, because it can be changed into a prime (16764491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12051 + ... + 13369.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^16764490 is an apocalyptic number.

16764490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16764490 is a deficient number, since it is larger than the sum of its proper divisors (15168950).

16764490 is a wasteful number, since it uses less digits than its factorization.

16764490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 16764490 is about 4094.4462385041. The cubic root of 16764490 is about 255.9352558439.

The spelling of 16764490 in words is "sixteen million, seven hundred sixty-four thousand, four hundred ninety".