7004640 has 48 divisors (see below), whose sum is σ = 22066128. Its totient is φ = 1867776.

The previous prime is 7004633. The next prime is 7004651. The reversal of 7004640 is 464007.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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, 6817 + ... + 7776.

It is an arithmetic number, because the mean of its divisors is an integer number (459711).

Almost surely, 2^7004640 is an apocalyptic number.

It is an amenable number.

7004640 is an abundant number, since it is smaller than the sum of its proper divisors (15061488).

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

7004640 is a wasteful number, since it uses less digits than its factorization.

7004640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14611 (or 14603 counting only the distinct ones).

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

The square root of 7004640 is about 2646.6280433790. The cubic root of 7004640 is about 191.3353756117.

Adding to 7004640 its reverse (464007), we get a palindrome (7468647).

The spelling of 7004640 in words is "seven million, four thousand, six hundred forty".