36521743572 has 72 divisors (see below), whose sum is σ = 95635612800. Its totient is φ = 11737712448.

The previous prime is 36521743571. The next prime is 36521743579. The reversal of 36521743572 is 27534712563.

36521743572 is a `hidden beast` number, since 3 + 6 + 5 + 2 + 1 + 74 + 3 + 572 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36521743571) 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, 734929 + ... + 783047.

It is an arithmetic number, because the mean of its divisors is an integer number (1328272400).

Almost surely, 2^36521743572 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 36521743572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47817806400).

36521743572 is an abundant number, since it is smaller than the sum of its proper divisors (59113869228).

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

36521743572 is a wasteful number, since it uses less digits than its factorization.

36521743572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48885 (or 48880 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The spelling of 36521743572 in words is "thirty-six billion, five hundred twenty-one million, seven hundred forty-three thousand, five hundred seventy-two".