36573540 has 48 divisors (see below), whose sum is σ = 103118400. Its totient is φ = 9685120.

The previous prime is 36573539. The next prime is 36573547. The reversal of 36573540 is 4537563.

It is not an unprimeable number, because it can be changed into a prime (36573547) 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, 6895 + ... + 10985.

It is an arithmetic number, because the mean of its divisors is an integer number (2148300).

Almost surely, 2^36573540 is an apocalyptic number.

36573540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36573540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51559200).

36573540 is an abundant number, since it is smaller than the sum of its proper divisors (66544860).

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

36573540 is a wasteful number, since it uses less digits than its factorization.

36573540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252 (or 4250 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 36573540 is about 6047.6061379690. The cubic root of 36573540 is about 331.9370011591.

The spelling of 36573540 in words is "thirty-six million, five hundred seventy-three thousand, five hundred forty".