14742381 has 4 divisors (see below), whose sum is σ = 19656512. Its totient is φ = 9828252.

The previous prime is 14742373. The next prime is 14742437. The reversal of 14742381 is 18324741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18324741 = 3 ⋅6108247.

It is not a de Polignac number, because 14742381 - 2³ = 14742373 is a prime.

It is a super-2 number, since 2×14742381² = 434675595098322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14742331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2457061 + ... + 2457066.

It is an arithmetic number, because the mean of its divisors is an integer number (4914128).

Almost surely, 2^14742381 is an apocalyptic number.

It is an amenable number.

14742381 is a deficient number, since it is larger than the sum of its proper divisors (4914131).

14742381 is an equidigital number, since it uses as much as digits as its factorization.

14742381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914130.

The product of its digits is 5376, while the sum is 30.

The square root of 14742381 is about 3839.5808364977. The cubic root of 14742381 is about 245.2011730999.

The spelling of 14742381 in words is "fourteen million, seven hundred forty-two thousand, three hundred eighty-one".