742342 has 8 divisors (see below), whose sum is σ = 1152000. Its totient is φ = 358344.

The previous prime is 742333. The next prime is 742351. The reversal of 742342 is 243247.

It is an interprime number because it is at equal distance from previous prime (742333) and next prime (742351).

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

It is a congruent number.

It is an unprimeable 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, 6342 + ... + 6457.

It is an arithmetic number, because the mean of its divisors is an integer number (144000).

2⁷⁴²³⁴² is an apocalyptic number.

742342 is a deficient number, since it is larger than the sum of its proper divisors (409658).

742342 is a wasteful number, since it uses less digits than its factorization.

742342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12830.

The product of its digits is 1344, while the sum is 22.

The square root of 742342 is about 861.5927112041. The cubic root of 742342 is about 90.5457375923.

Adding to 742342 its reverse (243247), we get a palindrome (985589).

The spelling of 742342 in words is "seven hundred forty-two thousand, three hundred forty-two", and thus it is an iban number.