36715009 has 4 divisors (see below), whose sum is σ = 36755460. Its totient is φ = 36674560.

The previous prime is 36714983. The next prime is 36715033. The reversal of 36715009 is 90051763.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 378225 + 36336784 = 615^2 + 6028^2 .

It is a cyclic number.

It is not a de Polignac number, because 36715009 - 2¹¹ = 36712961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36715039) 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, 18832 + ... + 20689.

It is an arithmetic number, because the mean of its divisors is an integer number (9188865).

Almost surely, 2^36715009 is an apocalyptic number.

It is an amenable number.

36715009 is a deficient number, since it is larger than the sum of its proper divisors (40451).

36715009 is an equidigital number, since it uses as much as digits as its factorization.

36715009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40450.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 36715009 is about 6059.2911301571. The cubic root of 36715009 is about 332.3644356628.

It can be divided in two parts, 367 and 15009, that added together give a square (15376 = 124²).

The spelling of 36715009 in words is "thirty-six million, seven hundred fifteen thousand, nine".