36197728 has 48 divisors (see below), whose sum is σ = 83008800. Its totient is φ = 15215616.

The previous prime is 36197719. The next prime is 36197731. The reversal of 36197728 is 82779163.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10348 + ... + 13396.

It is an arithmetic number, because the mean of its divisors is an integer number (1729350).

Almost surely, 2^36197728 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 36197728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41504400).

36197728 is an abundant number, since it is smaller than the sum of its proper divisors (46811072).

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

36197728 is a wasteful number, since it uses less digits than its factorization.

36197728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119 (or 3111 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 36197728 is about 6016.4547700452. The cubic root of 36197728 is about 330.7961432194.

It can be divided in two parts, 361 and 97728, that added together give a palindrome (98089).

The spelling of 36197728 in words is "thirty-six million, one hundred ninety-seven thousand, seven hundred twenty-eight".