36728072 has 8 divisors (see below), whose sum is σ = 68865150. Its totient is φ = 18364032.

The previous prime is 36728059. The next prime is 36728113. The reversal of 36728072 is 27082763.

It can be written as a sum of positive squares in only one way, i.e., 25745476 + 10982596 = 5074^2 + 3314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2295497 + ... + 2295512.

Almost surely, 2^36728072 is an apocalyptic number.

It is an amenable number.

36728072 is a deficient number, since it is larger than the sum of its proper divisors (32137078).

36728072 is a wasteful number, since it uses less digits than its factorization.

36728072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591015 (or 4591011 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 36728072 is about 6060.3689656654. The cubic root of 36728072 is about 332.4038488068.

The spelling of 36728072 in words is "thirty-six million, seven hundred twenty-eight thousand, seventy-two".