14064640 has 88 divisors (see below), whose sum is σ = 35077392. Its totient is φ = 5406720.

The previous prime is 14064619. The next prime is 14064641. The reversal of 14064640 is 4646041.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14064641) 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, 209887 + ... + 209953.

Almost surely, 2^14064640 is an apocalyptic number.

14064640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14064640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17538696).

14064640 is an abundant number, since it is smaller than the sum of its proper divisors (21012752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14064640 is an equidigital number, since it uses as much as digits as its factorization.

14064640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 14064640 is about 3750.2853224788. The cubic root of 14064640 is about 241.3845893661.

The spelling of 14064640 in words is "fourteen million, sixty-four thousand, six hundred forty".