27752373324 has 72 divisors (see below), whose sum is σ = 75615120672. Its totient is φ = 8531619840.

The previous prime is 27752373301. The next prime is 27752373329. The reversal of 27752373324 is 42337325772.

27752373324 is a `hidden beast` number, since 2 + 77 + 523 + 7 + 33 + 24 = 666.

It is a super-2 number, since 2×27752373324² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27752373324.

It is not an unprimeable number, because it can be changed into a prime (27752373329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513889 + ... + 565319.

Almost surely, 2^27752373324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27752373324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37807560336).

27752373324 is an abundant number, since it is smaller than the sum of its proper divisors (47862747348).

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

27752373324 is a wasteful number, since it uses less digits than its factorization.

27752373324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52607 (or 52602 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 45.

The spelling of 27752373324 in words is "twenty-seven billion, seven hundred fifty-two million, three hundred seventy-three thousand, three hundred twenty-four".