36534520 has 64 divisors (see below), whose sum is σ = 91808640. Its totient is φ = 12969600.

The previous prime is 36534517. The next prime is 36534527. The reversal of 36534520 is 2543563.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36534527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17955 + ... + 19885.

It is an arithmetic number, because the mean of its divisors is an integer number (1434510).

Almost surely, 2^36534520 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 36534520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45904320).

36534520 is an abundant number, since it is smaller than the sum of its proper divisors (55274120).

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

36534520 is a wasteful number, since it uses less digits than its factorization.

36534520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1992 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 36534520 is about 6044.3792071643. The cubic root of 36534520 is about 331.8189122282.

The spelling of 36534520 in words is "thirty-six million, five hundred thirty-four thousand, five hundred twenty".