347907742 has 24 divisors (see below), whose sum is σ = 653763096. Its totient is φ = 137633328.

The previous prime is 347907733. The next prime is 347907743. The reversal of 347907742 is 247709743.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347907743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135268 + ... + 137815.

It is an arithmetic number, because the mean of its divisors is an integer number (27240129).

Almost surely, 2^347907742 is an apocalyptic number.

347907742 is a deficient number, since it is larger than the sum of its proper divisors (305855354).

347907742 is a wasteful number, since it uses less digits than its factorization.

347907742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273112 (or 273105 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 347907742 is about 18652.2851683111. The cubic root of 347907742 is about 703.3228021653.

The spelling of 347907742 in words is "three hundred forty-seven million, nine hundred seven thousand, seven hundred forty-two".