17064421 has 12 divisors (see below), whose sum is σ = 19081440. Its totient is φ = 15134280.

The previous prime is 17064403. The next prime is 17064457. The reversal of 17064421 is 12446071.

It is not a de Polignac number, because 17064421 - 2⁵ = 17064389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17064401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19920 + ... + 20758.

It is an arithmetic number, because the mean of its divisors is an integer number (1590120).

Almost surely, 2^17064421 is an apocalyptic number.

17064421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

17064421 is a deficient number, since it is larger than the sum of its proper divisors (2017019).

17064421 is an equidigital number, since it uses as much as digits as its factorization.

17064421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 17064421 is about 4130.9104323381. The cubic root of 17064421 is about 257.4525428613.

The spelling of 17064421 in words is "seventeen million, sixty-four thousand, four hundred twenty-one".