14470640 has 20 divisors (see below), whose sum is σ = 33644424. Its totient is φ = 5788224.

The previous prime is 14470637. The next prime is 14470649. The reversal of 14470640 is 4607441.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14470649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90362 + ... + 90521.

Almost surely, 2^14470640 is an apocalyptic number.

14470640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14470640 is an abundant number, since it is smaller than the sum of its proper divisors (19173784).

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

14470640 is a wasteful number, since it uses less digits than its factorization.

14470640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180896 (or 180890 counting only the distinct ones).

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

The square root of 14470640 is about 3804.0294425780. The cubic root of 14470640 is about 243.6852521428.

The spelling of 14470640 in words is "fourteen million, four hundred seventy thousand, six hundred forty".