14724640 has 48 divisors (see below), whose sum is σ = 39759552. Its totient is φ = 5048064.

The previous prime is 14724637. The next prime is 14724643. The reversal of 14724640 is 4642741.

It is an interprime number because it is at equal distance from previous prime (14724637) and next prime (14724643).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 14724599 and 14724608.

It is not an unprimeable number, because it can be changed into a prime (14724643) 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, 5454 + ... + 7693.

It is an arithmetic number, because the mean of its divisors is an integer number (828324).

Almost surely, 2^14724640 is an apocalyptic number.

14724640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14724640 is an abundant number, since it is smaller than the sum of its proper divisors (25034912).

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

14724640 is a wasteful number, since it uses less digits than its factorization.

14724640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13169 (or 13161 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 14724640 is about 3837.2698628061. The cubic root of 14724640 is about 245.1027751509.

The spelling of 14724640 in words is "fourteen million, seven hundred twenty-four thousand, six hundred forty".