14479640 has 32 divisors (see below), whose sum is σ = 37234080. Its totient is φ = 4964352.

The previous prime is 14479607. The next prime is 14479643. The reversal of 14479640 is 4697441.

14479640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×14479640³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 14479640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14479643) 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, 25577 + ... + 26136.

It is an arithmetic number, because the mean of its divisors is an integer number (1163565).

Almost surely, 2^14479640 is an apocalyptic number.

14479640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14479640 is an abundant number, since it is smaller than the sum of its proper divisors (22754440).

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

14479640 is a wasteful number, since it uses less digits than its factorization.

14479640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51731 (or 51727 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 14479640 is about 3805.2122148443. The cubic root of 14479640 is about 243.7357616053.

The spelling of 14479640 in words is "fourteen million, four hundred seventy-nine thousand, six hundred forty".