742422 has 8 divisors (see below), whose sum is σ = 1484856. Its totient is φ = 247472.

The previous prime is 742409. The next prime is 742439. The reversal of 742422 is 224247.

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

742422 is an admirable number.

It is a congruent number.

It is an unprimeable number.

742422 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, 61863 + ... + 61874.

It is an arithmetic number, because the mean of its divisors is an integer number (185607).

2⁷⁴²⁴²² is an apocalyptic number.

742422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742422 is a wasteful number, since it uses less digits than its factorization.

742422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123742.

The product of its digits is 896, while the sum is 21.

The square root of 742422 is about 861.6391356014. The cubic root of 742422 is about 90.5489900908.

Adding to 742422 its reverse (224247), we get a palindrome (966669).

The spelling of 742422 in words is "seven hundred forty-two thousand, four hundred twenty-two", and thus it is an iban number.