36579220 has 24 divisors (see below), whose sum is σ = 77024808. Its totient is φ = 14592000.

The previous prime is 36579217. The next prime is 36579227. The reversal of 36579220 is 2297563.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10995856 + 25583364 = 3316^2 + 5058^2 .

It is a super-3 number, since 3×36579220³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36579227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5740 + ... + 10300.

It is an arithmetic number, because the mean of its divisors is an integer number (3209367).

Almost surely, 2^36579220 is an apocalyptic number.

It is an amenable number.

36579220 is an abundant number, since it is smaller than the sum of its proper divisors (40445588).

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

36579220 is a wasteful number, since it uses less digits than its factorization.

36579220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971 (or 4969 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 36579220 is about 6048.0757270391. The cubic root of 36579220 is about 331.9541839327.

The spelling of 36579220 in words is "thirty-six million, five hundred seventy-nine thousand, two hundred twenty".