36730728 has 48 divisors (see below), whose sum is σ = 99777600. Its totient is φ = 12206880.

The previous prime is 36730721. The next prime is 36730741. The reversal of 36730728 is 82703763.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 36730692 and 36730701.

It is not an unprimeable number, because it can be changed into a prime (36730721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34833 + ... + 35871.

It is an arithmetic number, because the mean of its divisors is an integer number (2078700).

Almost surely, 2^36730728 is an apocalyptic number.

It is an amenable number.

36730728 is an abundant number, since it is smaller than the sum of its proper divisors (63046872).

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

36730728 is a wasteful number, since it uses less digits than its factorization.

36730728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 36730728 is about 6060.5880902764. The cubic root of 36730728 is about 332.4118612370.

The spelling of 36730728 in words is "thirty-six million, seven hundred thirty thousand, seven hundred twenty-eight".