36521688 has 64 divisors (see below), whose sum is σ = 105120000. Its totient is φ = 10357632.

The previous prime is 36521671. The next prime is 36521699. The reversal of 36521688 is 88612563.

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 15 ways as a sum of consecutive naturals, for example, 24303 + ... + 25761.

It is an arithmetic number, because the mean of its divisors is an integer number (1642500).

Almost surely, 2^36521688 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 36521688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52560000).

36521688 is an abundant number, since it is smaller than the sum of its proper divisors (68598312).

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

36521688 is a wasteful number, since it uses less digits than its factorization.

36521688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624 (or 1620 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 36521688 is about 6043.3176318972. The cubic root of 36521688 is about 331.7800594858.

The spelling of 36521688 in words is "thirty-six million, five hundred twenty-one thousand, six hundred eighty-eight".