36531620 has 48 divisors (see below), whose sum is σ = 79168320. Its totient is φ = 14153856.

The previous prime is 36531611. The next prime is 36531629. The reversal of 36531620 is 2613563.

36531620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (36531611) and next prime (36531629).

It is a self number, because there is not a number n which added to its sum of digits gives 36531620.

It is not an unprimeable number, because it can be changed into a prime (36531629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97754 + ... + 98126.

It is an arithmetic number, because the mean of its divisors is an integer number (1649340).

Almost surely, 2^36531620 is an apocalyptic number.

It is an amenable number.

36531620 is an abundant number, since it is smaller than the sum of its proper divisors (42636700).

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

36531620 is a wasteful number, since it uses less digits than its factorization.

36531620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 36531620 is about 6044.1393101086. The cubic root of 36531620 is about 331.8101324011.

The spelling of 36531620 in words is "thirty-six million, five hundred thirty-one thousand, six hundred twenty".