36641536 has 36 divisors (see below), whose sum is σ = 74945304. Its totient is φ = 17868800.

The previous prime is 36641531. The next prime is 36641569. The reversal of 36641536 is 63514663.

It is not an unprimeable number, because it can be changed into a prime (36641531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8751 + ... + 12241.

It is an arithmetic number, because the mean of its divisors is an integer number (2081814).

Almost surely, 2^36641536 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 36641536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37472652).

36641536 is an abundant number, since it is smaller than the sum of its proper divisors (38303768).

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

36641536 is an equidigital number, since it uses as much as digits as its factorization.

36641536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548 (or 3534 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 36641536 is about 6053.2252560102. The cubic root of 36641536 is about 332.1425816183.

The spelling of 36641536 in words is "thirty-six million, six hundred forty-one thousand, five hundred thirty-six".