351742 has 8 divisors (see below), whose sum is σ = 530136. Its totient is φ = 175032.

The previous prime is 351733. The next prime is 351749. The reversal of 351742 is 247153.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351749) by changing a digit.

351742 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573 + ... + 1015.

It is an arithmetic number, because the mean of its divisors is an integer number (66267).

2³⁵¹⁷⁴² is an apocalyptic number.

351742 is a deficient number, since it is larger than the sum of its proper divisors (178394).

351742 is a wasteful number, since it uses less digits than its factorization.

351742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842.

The product of its digits is 840, while the sum is 22.

The square root of 351742 is about 593.0784096559. The cubic root of 351742 is about 70.5897119244.

Adding to 351742 its reverse (247153), we get a palindrome (598895).

The spelling of 351742 in words is "three hundred fifty-one thousand, seven hundred forty-two".