36128724 has 24 divisors (see below), whose sum is σ = 86579808. Its totient is φ = 11717280.

The previous prime is 36128711. The next prime is 36128731. The reversal of 36128724 is 42782163.

36128724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 40242 + ... + 41129.

It is an arithmetic number, because the mean of its divisors is an integer number (3607492).

Almost surely, 2^36128724 is an apocalyptic number.

It is an amenable number.

36128724 is an abundant number, since it is smaller than the sum of its proper divisors (50451084).

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

36128724 is a wasteful number, since it uses less digits than its factorization.

36128724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81415 (or 81413 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 36128724 is about 6010.7174280613. The cubic root of 36128724 is about 330.5858097875.

The spelling of 36128724 in words is "thirty-six million, one hundred twenty-eight thousand, seven hundred twenty-four".