7081559104 has 63 divisors (see below), whose sum is σ = 14356778373. Its totient is φ = 3465715968.

The previous prime is 7081559101. The next prime is 7081559123. The reversal of 7081559104 is 4019551807.

It is a happy number.

The square root of 7081559104 is 84152.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2075713600 + 5005845504 = 45560^2 + 70752^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7081559101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 45105394 + ... + 45105550.

It is an arithmetic number, because the mean of its divisors is an integer number (227885371).

Almost surely, 2^7081559104 is an apocalyptic number.

7081559104 is the 84152-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7081559104

7081559104 is an abundant number, since it is smaller than the sum of its proper divisors (7275219269).

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

7081559104 is an frugal number, since it uses more digits than its factorization.

7081559104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 40.

The cubic root of 7081559104 is about 1920.3318928569.

The spelling of 7081559104 in words is "seven billion, eighty-one million, five hundred fifty-nine thousand, one hundred four".