2321742 has 16 divisors (see below), whose sum is σ = 4752000. Its totient is φ = 755832.

The previous prime is 2321701. The next prime is 2321747. The reversal of 2321742 is 2471232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4242 + ... + 4757.

It is an arithmetic number, because the mean of its divisors is an integer number (297000).

2^2321742 is an apocalyptic number.

2321742 is an abundant number, since it is smaller than the sum of its proper divisors (2430258).

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

2321742 is a wasteful number, since it uses less digits than its factorization.

2321742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9047.

The product of its digits is 672, while the sum is 21.

The square root of 2321742 is about 1523.7263533850. The cubic root of 2321742 is about 132.4152442416.

Adding to 2321742 its reverse (2471232), we get a palindrome (4792974).

The spelling of 2321742 in words is "two million, three hundred twenty-one thousand, seven hundred forty-two".