14439742 has 4 divisors (see below), whose sum is σ = 21659616. Its totient is φ = 7219870.

The previous prime is 14439727. The next prime is 14439781. The reversal of 14439742 is 24793441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×14439742² = 417012298053128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14439698 and 14439707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3609934 + ... + 3609937.

It is an arithmetic number, because the mean of its divisors is an integer number (5414904).

Almost surely, 2^14439742 is an apocalyptic number.

14439742 is a deficient number, since it is larger than the sum of its proper divisors (7219874).

14439742 is an equidigital number, since it uses as much as digits as its factorization.

14439742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7219873.

The product of its digits is 24192, while the sum is 34.

The square root of 14439742 is about 3799.9660524799. The cubic root of 14439742 is about 243.5116880098.

The spelling of 14439742 in words is "fourteen million, four hundred thirty-nine thousand, seven hundred forty-two".