7068974640 has 640 divisors, whose sum is σ = 28510175232. Its totient is φ = 1408942080.

The previous prime is 7068974639. The next prime is 7068974641. The reversal of 7068974640 is 464798607.

It is an interprime number because it is at equal distance from previous prime (7068974639) and next prime (7068974641).

It is not an unprimeable number, because it can be changed into a prime (7068974641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 35883022 + ... + 35883218.

Almost surely, 2^7068974640 is an apocalyptic number.

7068974640 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7068974640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14255087616).

7068974640 is an abundant number, since it is smaller than the sum of its proper divisors (21441200592).

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

7068974640 is a wasteful number, since it uses less digits than its factorization.

7068974640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The square root of 7068974640 is about 84077.1945297891. The cubic root of 7068974640 is about 1919.1936935560.

The spelling of 7068974640 in words is "seven billion, sixty-eight million, nine hundred seventy-four thousand, six hundred forty".