14640030 has 48 divisors (see below), whose sum is σ = 38885184. Its totient is φ = 3819840.

The previous prime is 14640023. The next prime is 14640037. The reversal of 14640030 is 3004641.

It is an interprime number because it is at equal distance from previous prime (14640023) and next prime (14640037).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 14639985 and 14640012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14640037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2500 + ... + 5960.

It is an arithmetic number, because the mean of its divisors is an integer number (810108).

Almost surely, 2^14640030 is an apocalyptic number.

14640030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14640030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19442592).

14640030 is an abundant number, since it is smaller than the sum of its proper divisors (24245154).

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

14640030 is a wasteful number, since it uses less digits than its factorization.

14640030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521 (or 3518 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 14640030 is about 3826.2292142526. The cubic root of 14640030 is about 244.6324072370.

Adding to 14640030 its reverse (3004641), we get a palindrome (17644671).

The spelling of 14640030 in words is "fourteen million, six hundred forty thousand, thirty".