14420749 has 8 divisors (see below), whose sum is σ = 16817600. Its totient is φ = 12360348.

The previous prime is 14420719. The next prime is 14420779. The reversal of 14420749 is 94702441.

It is an interprime number because it is at equal distance from previous prime (14420719) and next prime (14420779).

It is not a de Polignac number, because 14420749 - 2⁷ = 14420621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14420749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14420719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20679 + ... + 21364.

It is an arithmetic number, because the mean of its divisors is an integer number (2102200).

Almost surely, 2^14420749 is an apocalyptic number.

It is an amenable number.

14420749 is a deficient number, since it is larger than the sum of its proper divisors (2396851).

14420749 is an frugal number, since it uses more digits than its factorization.

14420749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42064 (or 42050 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 14420749 is about 3797.4661288812. The cubic root of 14420749 is about 243.4048752339.

The spelling of 14420749 in words is "fourteen million, four hundred twenty thousand, seven hundred forty-nine".