742444 has 12 divisors (see below), whose sum is σ = 1367800. Its totient is φ = 351648.

The previous prime is 742439. The next prime is 742457. The reversal of 742444 is 444247.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4809 + ... + 4960.

2⁷⁴²⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

742444 is a deficient number, since it is larger than the sum of its proper divisors (625356).

742444 is a wasteful number, since it uses less digits than its factorization.

742444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9792 (or 9790 counting only the distinct ones).

The product of its digits is 3584, while the sum is 25.

The square root of 742444 is about 861.6519018722. The cubic root of 742444 is about 90.5498844870.

The spelling of 742444 in words is "seven hundred forty-two thousand, four hundred forty-four", and thus it is an iban number.