7114640 has 40 divisors (see below), whose sum is σ = 17816568. Its totient is φ = 2626560.

The previous prime is 7114621. The next prime is 7114643. The reversal of 7114640 is 464117.

It can be written as a sum of positive squares in 4 ways, for example, as 478864 + 6635776 = 692^2 + 2576^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (7114643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2381 + ... + 4460.

Almost surely, 2^7114640 is an apocalyptic number.

It is an amenable number.

7114640 is an abundant number, since it is smaller than the sum of its proper divisors (10701928).

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

7114640 is a wasteful number, since it uses less digits than its factorization.

7114640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6867 (or 6861 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 7114640 is about 2667.3282512657. The cubic root of 7114640 is about 192.3317470628.

Adding to 7114640 its reverse (464117), we get a palindrome (7578757).

The spelling of 7114640 in words is "seven million, one hundred fourteen thousand, six hundred forty".