347242743 has 18 divisors (see below), whose sum is σ = 515513544. Its totient is φ = 225230544.

The previous prime is 347242741. The next prime is 347242757.

347242743 is a `hidden beast` number, since 347 + 242 + 74 + 3 = 666.

347242743 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 347242743 - 2¹ = 347242741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 347242698 and 347242707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347242741) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1771 + ... + 26412.

Almost surely, 2^347242743 is an apocalyptic number.

347242743 is a deficient number, since it is larger than the sum of its proper divisors (168270801).

347242743 is a wasteful number, since it uses less digits than its factorization.

347242743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28263 (or 28223 counting only the distinct ones).

The product of its digits is 112896, while the sum is 36.

The square root of 347242743 is about 18634.4504346117. The cubic root of 347242743 is about 702.8744004608.

The spelling of 347242743 in words is "three hundred forty-seven million, two hundred forty-two thousand, seven hundred forty-three".