36785520 has 120 divisors (see below), whose sum is σ = 130088400. Its totient is φ = 9289728.

The previous prime is 36785519. The next prime is 36785527. The reversal of 36785520 is 2558763.

36785520 is a `hidden beast` number, since 36 + 78 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36785527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12336 + ... + 15024.

It is an arithmetic number, because the mean of its divisors is an integer number (1084070).

Almost surely, 2^36785520 is an apocalyptic number.

36785520 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 36785520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65044200).

36785520 is an abundant number, since it is smaller than the sum of its proper divisors (93302880).

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

36785520 is a wasteful number, since it uses less digits than its factorization.

36785520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727 (or 2718 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 36785520 is about 6065.1067591593. The cubic root of 36785520 is about 332.5770677067.

The spelling of 36785520 in words is "thirty-six million, seven hundred eighty-five thousand, five hundred twenty".