344242072 has 8 divisors (see below), whose sum is σ = 645453900. Its totient is φ = 172121032.

The previous prime is 344242051. The next prime is 344242079. The reversal of 344242072 is 270242443.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 344242072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344242079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21515122 + ... + 21515137.

Almost surely, 2^344242072 is an apocalyptic number.

It is an amenable number.

344242072 is a deficient number, since it is larger than the sum of its proper divisors (301211828).

344242072 is a wasteful number, since it uses less digits than its factorization.

344242072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43030265 (or 43030261 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 344242072 is about 18553.7616671121. The cubic root of 344242072 is about 700.8439290781.

The spelling of 344242072 in words is "three hundred forty-four million, two hundred forty-two thousand, seventy-two".