344437742 has 16 divisors (see below), whose sum is σ = 588131712. Its totient is φ = 149755320.

The previous prime is 344437741. The next prime is 344437771. The reversal of 344437742 is 247734443.

It is a super-2 number, since 2×344437742² = 237274716228117128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344437696 and 344437705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344437741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339848 + ... + 340859.

It is an arithmetic number, because the mean of its divisors is an integer number (36758232).

Almost surely, 2^344437742 is an apocalyptic number.

344437742 is a deficient number, since it is larger than the sum of its proper divisors (243693970).

344437742 is a wasteful number, since it uses less digits than its factorization.

344437742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680743.

The product of its digits is 225792, while the sum is 38.

The square root of 344437742 is about 18559.0339727045. The cubic root of 344437742 is about 700.9766923942.

The spelling of 344437742 in words is "three hundred forty-four million, four hundred thirty-seven thousand, seven hundred forty-two".