36681594 has 16 divisors (see below), whose sum is σ = 73513440. Its totient is φ = 12202160.

The previous prime is 36681577. The next prime is 36681599. The reversal of 36681594 is 49518663.

It is a super-4 number, since 4×36681594⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not an unprimeable number, because it can be changed into a prime (36681599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2952 + ... + 9059.

It is an arithmetic number, because the mean of its divisors is an integer number (4594590).

Almost surely, 2^36681594 is an apocalyptic number.

36681594 is an abundant number, since it is smaller than the sum of its proper divisors (36831846).

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

36681594 is a wasteful number, since it uses less digits than its factorization.

36681594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12525.

The product of its digits is 155520, while the sum is 42.

The square root of 36681594 is about 6056.5331667547. The cubic root of 36681594 is about 332.2635747445.

The spelling of 36681594 in words is "thirty-six million, six hundred eighty-one thousand, five hundred ninety-four".