942740 has 12 divisors (see below), whose sum is σ = 1979796. Its totient is φ = 377088.

The previous prime is 942727. The next prime is 942749. The reversal of 942740 is 47249.

It can be written as a sum of positive squares in 2 ways, for example, as 103684 + 839056 = 322^2 + 916^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942749) by changing a digit.

942740 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, 23549 + ... + 23588.

It is an arithmetic number, because the mean of its divisors is an integer number (164983).

2⁹⁴²⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

942740 is an abundant number, since it is smaller than the sum of its proper divisors (1037056).

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

942740 is a wasteful number, since it uses less digits than its factorization.

942740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47146 (or 47144 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 942740 is about 970.9479903682. The cubic root of 942740 is about 98.0536981847.

Adding to 942740 its reverse (47249), we get a palindrome (989989).

The spelling of 942740 in words is "nine hundred forty-two thousand, seven hundred forty".