7541705064872 has 48 divisors (see below), whose sum is σ = 15548564534580. Its totient is φ = 3426838173440.

The previous prime is 7541705064841. The next prime is 7541705064911. The reversal of 7541705064872 is 2784605071457.

It can be written as a sum of positive squares in 2 ways, for example, as 5855015841796 + 1686689223076 = 2419714^2 + 1298726^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1373108 + ... + 4119324.

Almost surely, 2^{7541705064872} is an apocalyptic number.

It is a pronic number, being equal to 2746216×2746217.

It is an amenable number.

7541705064872 is an abundant number, since it is smaller than the sum of its proper divisors (8006859469708).

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

7541705064872 is a wasteful number, since it uses less digits than its factorization.

7541705064872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749082 (or 2749067 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 56.

The spelling of 7541705064872 in words is "seven trillion, five hundred forty-one billion, seven hundred five million, sixty-four thousand, eight hundred seventy-two".