7065718480 has 80 divisors (see below), whose sum is σ = 17312641920. Its totient is φ = 2674404864.

The previous prime is 7065718463. The next prime is 7065718481. The reversal of 7065718480 is 848175607.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×7065718480² = 99848755277227020800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7065718480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7065718481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1613574 + ... + 1617946.

It is an arithmetic number, because the mean of its divisors is an integer number (216408024).

Almost surely, 2^7065718480 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 7065718480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8656320960).

7065718480 is an abundant number, since it is smaller than the sum of its proper divisors (10246923440).

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

7065718480 is a wasteful number, since it uses less digits than its factorization.

7065718480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468 (or 5462 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 7065718480 is about 84057.8281898837. The cubic root of 7065718480 is about 1918.8989708738.

The spelling of 7065718480 in words is "seven billion, sixty-five million, seven hundred eighteen thousand, four hundred eighty".