7481473860564 has 72 divisors (see below), whose sum is σ = 20801232990720. Its totient is φ = 2267113276560.

The previous prime is 7481473860493. The next prime is 7481473860589. The reversal of 7481473860564 is 4650683741847.

7481473860564 is a `hidden beast` number, since 7 + 4 + 8 + 1 + 4 + 7 + 3 + 8 + 60 + 564 = 666.

It is a super-2 number, since 2×7481473860564² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78020724 + ... + 78116555.

It is an arithmetic number, because the mean of its divisors is an integer number (288906013760).

Almost surely, 2^{7481473860564} is an apocalyptic number.

It is an amenable number.

7481473860564 is an abundant number, since it is smaller than the sum of its proper divisors (13319759130156).

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

7481473860564 is a wasteful number, since it uses less digits than its factorization.

7481473860564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156137322 (or 156137295 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 63.

The spelling of 7481473860564 in words is "seven trillion, four hundred eighty-one billion, four hundred seventy-three million, eight hundred sixty thousand, five hundred sixty-four".