349711742 has 8 divisors (see below), whose sum is σ = 525890136. Its totient is φ = 174415032.

The previous prime is 349711741. The next prime is 349711759. The reversal of 349711742 is 247117943.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 349711696 and 349711705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349711741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219428 + ... + 221015.

It is an arithmetic number, because the mean of its divisors is an integer number (65736267).

Almost surely, 2^349711742 is an apocalyptic number.

349711742 is a deficient number, since it is larger than the sum of its proper divisors (176178394).

349711742 is a wasteful number, since it uses less digits than its factorization.

349711742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440842.

The product of its digits is 42336, while the sum is 38.

The square root of 349711742 is about 18700.5813278625. The cubic root of 349711742 is about 704.5363495696.

The spelling of 349711742 in words is "three hundred forty-nine million, seven hundred eleven thousand, seven hundred forty-two".