7062778720 has 24 divisors (see below), whose sum is σ = 16685815104. Its totient is φ = 2825111424.

The previous prime is 7062778699. The next prime is 7062778721. The reversal of 7062778720 is 278772607.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7062778721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22071024 + ... + 22071343.

It is an arithmetic number, because the mean of its divisors is an integer number (695242296).

Almost surely, 2^7062778720 is an apocalyptic number.

It is an amenable number.

7062778720 is an abundant number, since it is smaller than the sum of its proper divisors (9623036384).

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

7062778720 is a wasteful number, since it uses less digits than its factorization.

7062778720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44142382 (or 44142374 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 46.

The square root of 7062778720 is about 84040.3398374852. The cubic root of 7062778720 is about 1918.6328085116.

The spelling of 7062778720 in words is "seven billion, sixty-two million, seven hundred seventy-eight thousand, seven hundred twenty".