7342140 has 48 divisors (see below), whose sum is σ = 22141728. Its totient is φ = 1807104.

The previous prime is 7342123. The next prime is 7342163. The reversal of 7342140 is 412437.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3927 + ... + 5486.

It is an arithmetic number, because the mean of its divisors is an integer number (461286).

Almost surely, 2^7342140 is an apocalyptic number.

It is an amenable number.

7342140 is an abundant number, since it is smaller than the sum of its proper divisors (14799588).

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

7342140 is a wasteful number, since it uses less digits than its factorization.

7342140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9438 (or 9436 counting only the distinct ones).

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

The square root of 7342140 is about 2709.6383522529. The cubic root of 7342140 is about 194.3602968928.

Adding to 7342140 its reverse (412437), we get a palindrome (7754577).

The spelling of 7342140 in words is "seven million, three hundred forty-two thousand, one hundred forty".