2312730 has 48 divisors (see below), whose sum is σ = 6873984. Its totient is φ = 528480.

The previous prime is 2312711. The next prime is 2312747. The reversal of 2312730 is 372132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1206 + ... + 2465.

It is an arithmetic number, because the mean of its divisors is an integer number (143208).

2^2312730 is an apocalyptic number.

2312730 is an abundant number, since it is smaller than the sum of its proper divisors (4561254).

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

2312730 is a wasteful number, since it uses less digits than its factorization.

2312730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691 (or 3688 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 2312730 is about 1520.7662542284. The cubic root of 2312730 is about 132.2436958222.

Adding to 2312730 its reverse (372132), we get a palindrome (2684862).

The spelling of 2312730 in words is "two million, three hundred twelve thousand, seven hundred thirty".