344144705 has 8 divisors (see below), whose sum is σ = 414545472. Its totient is φ = 274267888.

The previous prime is 344144687. The next prime is 344144761. The reversal of 344144705 is 507441443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344144705 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129539 + ... + 132168.

It is an arithmetic number, because the mean of its divisors is an integer number (51818184).

Almost surely, 2^344144705 is an apocalyptic number.

It is an amenable number.

344144705 is a deficient number, since it is larger than the sum of its proper divisors (70400767).

344144705 is a wasteful number, since it uses less digits than its factorization.

344144705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261975.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 344144705 is about 18551.1375661979. The cubic root of 344144705 is about 700.7778462146. Note that the first 3 decimals are identical.

The spelling of 344144705 in words is "three hundred forty-four million, one hundred forty-four thousand, seven hundred five".