14375640 has 32 divisors (see below), whose sum is σ = 43127280. Its totient is φ = 3833472.

The previous prime is 14375639. The next prime is 14375651. The reversal of 14375640 is 4657341.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 14375598 and 14375607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59779 + ... + 60018.

Almost surely, 2^14375640 is an apocalyptic number.

14375640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14375640 is an abundant number, since it is smaller than the sum of its proper divisors (28751640).

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

14375640 is a wasteful number, since it uses less digits than its factorization.

14375640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119811 (or 119807 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 14375640 is about 3791.5221217870. The cubic root of 14375640 is about 243.1508149467.

The spelling of 14375640 in words is "fourteen million, three hundred seventy-five thousand, six hundred forty".