36521620 has 24 divisors (see below), whose sum is σ = 78480864. Its totient is φ = 14268576.

The previous prime is 36521609. The next prime is 36521623. The reversal of 36521620 is 2612563.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36521623) 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 7 ways as a sum of consecutive naturals, for example, 20374 + ... + 22093.

It is an arithmetic number, because the mean of its divisors is an integer number (3270036).

Almost surely, 2^36521620 is an apocalyptic number.

It is an amenable number.

36521620 is an abundant number, since it is smaller than the sum of its proper divisors (41959244).

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

36521620 is a wasteful number, since it uses less digits than its factorization.

36521620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42519 (or 42517 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 36521620 is about 6043.3120058458. The cubic root of 36521620 is about 331.7798535711.

The spelling of 36521620 in words is "thirty-six million, five hundred twenty-one thousand, six hundred twenty".