354742 has 8 divisors (see below), whose sum is σ = 538776. Its totient is φ = 175152.

The previous prime is 354737. The next prime is 354743. The reversal of 354742 is 247453.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354743) by changing a digit.

354742 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903 + ... + 1234.

It is an arithmetic number, because the mean of its divisors is an integer number (67347).

2³⁵⁴⁷⁴² is an apocalyptic number.

354742 is a deficient number, since it is larger than the sum of its proper divisors (184034).

354742 is a wasteful number, since it uses less digits than its factorization.

354742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222.

The product of its digits is 3360, while the sum is 25.

The square root of 354742 is about 595.6022162484. The cubic root of 354742 is about 70.7898301117.

It can be divided in two parts, 3 and 54742, that added together give a palindrome (54745).

The spelling of 354742 in words is "three hundred fifty-four thousand, seven hundred forty-two".