14743640 has 32 divisors (see below), whose sum is σ = 33406560. Its totient is φ = 5856000.

The previous prime is 14743633. The next prime is 14743643. The reversal of 14743640 is 4634741.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14743643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4820 + ... + 7260.

It is an arithmetic number, because the mean of its divisors is an integer number (1043955).

Almost surely, 2^14743640 is an apocalyptic number.

14743640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14743640 is an abundant number, since it is smaller than the sum of its proper divisors (18662920).

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

14743640 is a wasteful number, since it uses less digits than its factorization.

14743640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603 (or 2599 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 14743640 is about 3839.7447831855. The cubic root of 14743640 is about 245.2081529649.

The spelling of 14743640 in words is "fourteen million, seven hundred forty-three thousand, six hundred forty".