2373240 has 32 divisors (see below), whose sum is σ = 7120080. Its totient is φ = 632832.

The previous prime is 2373229. The next prime is 2373247. The reversal of 2373240 is 423732.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2373247) 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, 9769 + ... + 10008.

2^2373240 is an apocalyptic number.

2373240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2373240 is an abundant number, since it is smaller than the sum of its proper divisors (4746840).

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

2373240 is a wasteful number, since it uses less digits than its factorization.

2373240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19791 (or 19787 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 2373240 is about 1540.5323755118. The cubic root of 2373240 is about 133.3871171907.

Adding to 2373240 its reverse (423732), we get a palindrome (2796972).

The spelling of 2373240 in words is "two million, three hundred seventy-three thousand, two hundred forty".