36574721568 has 576 divisors, whose sum is σ = 135681122304. Its totient is φ = 9068544000.

The previous prime is 36574721551. The next prime is 36574721569. The reversal of 36574721568 is 86512747563.

36574721568 is a `hidden beast` number, since 3 + 6 + 5 + 7 + 4 + 72 + 1 + 568 = 666.

It is not an unprimeable number, because it can be changed into a prime (36574721569) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 57058528 + ... + 57059168.

It is an arithmetic number, because the mean of its divisors is an integer number (235557504).

Almost surely, 2^36574721568 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 36574721568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67840561152).

36574721568 is an abundant number, since it is smaller than the sum of its proper divisors (99106400736).

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

36574721568 is a wasteful number, since it uses less digits than its factorization.

36574721568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 778 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The spelling of 36574721568 in words is "thirty-six billion, five hundred seventy-four million, seven hundred twenty-one thousand, five hundred sixty-eight".