7009640 has 64 divisors (see below), whose sum is σ = 17496000. Its totient is φ = 2506240.

The previous prime is 7009637. The next prime is 7009643. The reversal of 7009640 is 469007.

It is an interprime number because it is at equal distance from previous prime (7009637) and next prime (7009643).

It is not an unprimeable number, because it can be changed into a prime (7009643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39071 + ... + 39249.

It is an arithmetic number, because the mean of its divisors is an integer number (273375).

Almost surely, 2^7009640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7009640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8748000).

7009640 is an abundant number, since it is smaller than the sum of its proper divisors (10486360).

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

7009640 is a wasteful number, since it uses less digits than its factorization.

7009640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 7009640 is about 2647.5724730402. The cubic root of 7009640 is about 191.3808906483.

The spelling of 7009640 in words is "seven million, nine thousand, six hundred forty".