14074640 has 80 divisors (see below), whose sum is σ = 35354880. Its totient is φ = 5191680.

The previous prime is 14074639. The next prime is 14074661. The reversal of 14074640 is 4647041.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×14074640² = 396190982259200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107375 + ... + 107505.

It is an arithmetic number, because the mean of its divisors is an integer number (441936).

Almost surely, 2^14074640 is an apocalyptic number.

14074640 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 14074640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17677440).

14074640 is an abundant number, since it is smaller than the sum of its proper divisors (21280240).

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

14074640 is a wasteful number, since it uses less digits than its factorization.

14074640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 14074640 is about 3751.6183174731. The cubic root of 14074640 is about 241.4417841950.

The spelling of 14074640 in words is "fourteen million, seventy-four thousand, six hundred forty".