36728747 has 4 divisors (see below), whose sum is σ = 40067736. Its totient is φ = 33389760.

The previous prime is 36728711. The next prime is 36728773. The reversal of 36728747 is 74782763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74782763 = 11 ⋅6798433.

It is a cyclic number.

It is not a de Polignac number, because 36728747 - 2⁸ = 36728491 is a prime.

It is a super-3 number, since 3×36728747³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36728698 and 36728707.

It is not an unprimeable number, because it can be changed into a prime (36728777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1669478 + ... + 1669499.

It is an arithmetic number, because the mean of its divisors is an integer number (10016934).

Almost surely, 2^36728747 is an apocalyptic number.

36728747 is a deficient number, since it is larger than the sum of its proper divisors (3338989).

36728747 is a wasteful number, since it uses less digits than its factorization.

36728747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338988.

The product of its digits is 395136, while the sum is 44.

The square root of 36728747 is about 6060.4246550881. The cubic root of 36728747 is about 332.4058851350.

The spelling of 36728747 in words is "thirty-six million, seven hundred twenty-eight thousand, seven hundred forty-seven".