27573856718740 has 12 divisors (see below), whose sum is σ = 57905099109396. Its totient is φ = 11029542687488.

The previous prime is 27573856718627. The next prime is 27573856718789. The reversal of 27573856718740 is 4781765837572.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17684077099536 + 9889779619204 = 4205244^2 + 3144802^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27573856718740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689346417949 + ... + 689346417988.

It is an arithmetic number, because the mean of its divisors is an integer number (4825424925783).

Almost surely, 2^{27573856718740} is an apocalyptic number.

27573856718740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27573856718740 is an abundant number, since it is smaller than the sum of its proper divisors (30331242390656).

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

27573856718740 is a wasteful number, since it uses less digits than its factorization.

27573856718740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378692835946 (or 1378692835944 counting only the distinct ones).

The product of its (nonzero) digits is 553190400, while the sum is 70.

The spelling of 27573856718740 in words is "twenty-seven trillion, five hundred seventy-three billion, eight hundred fifty-six million, seven hundred eighteen thousand, seven hundred forty".