14273640 has 96 divisors (see below), whose sum is σ = 47923200. Its totient is φ = 3680640.

The previous prime is 14273603. The next prime is 14273653. The reversal of 14273640 is 4637241.

14273640 is a `hidden beast` number, since 14 + 2 + 7 + 3 + 640 = 666.

14273640 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10521 + ... + 11799.

It is an arithmetic number, because the mean of its divisors is an integer number (499200).

Almost surely, 2^14273640 is an apocalyptic number.

14273640 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 14273640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23961600).

14273640 is an abundant number, since it is smaller than the sum of its proper divisors (33649560).

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

14273640 is a wasteful number, since it uses less digits than its factorization.

14273640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 14273640 is about 3778.0471145818. The cubic root of 14273640 is about 242.5743705009.

The spelling of 14273640 in words is "fourteen million, two hundred seventy-three thousand, six hundred forty".