36728247 has 8 divisors (see below), whose sum is σ = 49561344. Its totient is φ = 24190328.

The previous prime is 36728243. The next prime is 36728257. The reversal of 36728247 is 74282763.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36728247 - 2² = 36728243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36728243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73503 + ... + 74000.

It is an arithmetic number, because the mean of its divisors is an integer number (6195168).

Almost surely, 2^36728247 is an apocalyptic number.

36728247 is a deficient number, since it is larger than the sum of its proper divisors (12833097).

36728247 is a wasteful number, since it uses less digits than its factorization.

36728247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147589.

The product of its digits is 112896, while the sum is 39.

The square root of 36728247 is about 6060.3834037130. The cubic root of 36728247 is about 332.4043767462.

The spelling of 36728247 in words is "thirty-six million, seven hundred twenty-eight thousand, two hundred forty-seven".