344742087 has 8 divisors (see below), whose sum is σ = 459823104. Its totient is φ = 229744568.

The previous prime is 344742059. The next prime is 344742091. The reversal of 344742087 is 780247443.

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

It is a cyclic number.

It is not a de Polignac number, because 344742087 - 2¹⁵ = 344709319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344742287) 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 in 7 ways as a sum of consecutive naturals, for example, 10503 + ... + 28280.

It is an arithmetic number, because the mean of its divisors is an integer number (57477888).

Almost surely, 2^344742087 is an apocalyptic number.

344742087 is a deficient number, since it is larger than the sum of its proper divisors (115081017).

344742087 is a wasteful number, since it uses less digits than its factorization.

344742087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41749.

The product of its (nonzero) digits is 150528, while the sum is 39.

The square root of 344742087 is about 18567.2315383850. The cubic root of 344742087 is about 701.1830924881.

The spelling of 344742087 in words is "three hundred forty-four million, seven hundred forty-two thousand, eighty-seven".