7007064640 has 28 divisors (see below), whose sum is σ = 16685573436. Its totient is φ = 2802825728.

The previous prime is 7007064629. The next prime is 7007064667. The reversal of 7007064640 is 464607007.

It can be written as a sum of positive squares in 2 ways, for example, as 2842169344 + 4164895296 = 53312^2 + 64536^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7007064596 and 7007064605.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10948219 + ... + 10948858.

It is an arithmetic number, because the mean of its divisors is an integer number (595913337).

Almost surely, 2^7007064640 is an apocalyptic number.

It is an amenable number.

7007064640 is an abundant number, since it is smaller than the sum of its proper divisors (9678508796).

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

7007064640 is a wasteful number, since it uses less digits than its factorization.

7007064640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21897094 (or 21897084 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 7007064640 is about 83708.2113057017. The cubic root of 7007064640 is about 1913.5744983142.

The spelling of 7007064640 in words is "seven billion, seven million, sixty-four thousand, six hundred forty".