14749440 has 144 divisors (see below), whose sum is σ = 49448448. Its totient is φ = 3739648.

The previous prime is 14749433. The next prime is 14749451. The reversal of 14749440 is 4494741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88237 + ... + 88403.

It is an arithmetic number, because the mean of its divisors is an integer number (343392).

Almost surely, 2^14749440 is an apocalyptic number.

14749440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 3840×3841.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14749440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24724224).

14749440 is an abundant number, since it is smaller than the sum of its proper divisors (34699008).

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

14749440 is a wasteful number, since it uses less digits than its factorization.

14749440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 14749440 is about 3840.4999674522. The cubic root of 14749440 is about 245.2403028916.

The spelling of 14749440 in words is "fourteen million, seven hundred forty-nine thousand, four hundred forty".