2402742 has 8 divisors (see below), whose sum is σ = 4805496. Its totient is φ = 800912.

The previous prime is 2402731. The next prime is 2402747. The reversal of 2402742 is 2472042.

2402742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2402742 is an admirable number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402747) by changing a digit.

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, 200223 + ... + 200234.

It is an arithmetic number, because the mean of its divisors is an integer number (600687).

2^2402742 is an apocalyptic number.

2402742 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.

2402742 is a wasteful number, since it uses less digits than its factorization.

2402742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400462.

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

The square root of 2402742 is about 1550.0780625504. The cubic root of 2402742 is about 133.9375590870.

Adding to 2402742 its reverse (2472042), we get a palindrome (4874784).

The spelling of 2402742 in words is "two million, four hundred two thousand, seven hundred forty-two".