7340140 has 12 divisors (see below), whose sum is σ = 15414336. Its totient is φ = 2936048.

The previous prime is 7340119. The next prime is 7340147. The reversal of 7340140 is 410437.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7340147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183484 + ... + 183523.

It is an arithmetic number, because the mean of its divisors is an integer number (1284528).

Almost surely, 2^7340140 is an apocalyptic number.

It is an amenable number.

7340140 is an abundant number, since it is smaller than the sum of its proper divisors (8074196).

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

7340140 is a wasteful number, since it uses less digits than its factorization.

7340140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367016 (or 367014 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 7340140 is about 2709.2692741771. The cubic root of 7340140 is about 194.3426473657.

Adding to 7340140 its reverse (410437), we get a palindrome (7750577).

It can be divided in two parts, 73401 and 40, that added together give a square (73441 = 271²).

The spelling of 7340140 in words is "seven million, three hundred forty thousand, one hundred forty".