36013972 has 12 divisors (see below), whose sum is σ = 63069076. Its totient is φ = 17994240.

The previous prime is 36013951. The next prime is 36013997. The reversal of 36013972 is 27931063.

It can be written as a sum of positive squares in 2 ways, for example, as 15256836 + 20757136 = 3906^2 + 4556^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6322 + ... + 10582.

Almost surely, 2^36013972 is an apocalyptic number.

It is an amenable number.

36013972 is a deficient number, since it is larger than the sum of its proper divisors (27055104).

36013972 is a wasteful number, since it uses less digits than its factorization.

36013972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378 (or 6376 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 36013972 is about 6001.1642203826. The cubic root of 36013972 is about 330.2354365194.

The spelling of 36013972 in words is "thirty-six million, thirteen thousand, nine hundred seventy-two".