7065864408 has 64 divisors (see below), whose sum is σ = 18448093440. Its totient is φ = 2251001984.

The previous prime is 7065864397. The next prime is 7065864467. The reversal of 7065864408 is 8044685607.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 753235 + ... + 762557.

It is an arithmetic number, because the mean of its divisors is an integer number (288251460).

Almost surely, 2^7065864408 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 7065864408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9224046720).

7065864408 is an abundant number, since it is smaller than the sum of its proper divisors (11382229032).

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

7065864408 is a wasteful number, since it uses less digits than its factorization.

7065864408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10728 (or 10724 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The square root of 7065864408 is about 84058.6962068768. The cubic root of 7065864408 is about 1918.9121810973.

The spelling of 7065864408 in words is "seven billion, sixty-five million, eight hundred sixty-four thousand, four hundred eight".