36736387 has 4 divisors (see below), whose sum is σ = 36753696. Its totient is φ = 36719080.

The previous prime is 36736339. The next prime is 36736391. The reversal of 36736387 is 78363763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78363763 = 1723 ⋅45481.

It is a cyclic number.

It is not a de Polignac number, because 36736387 - 2¹⁵ = 36703619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36736307) 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, 4939 + ... + 9892.

It is an arithmetic number, because the mean of its divisors is an integer number (9188424).

Almost surely, 2^36736387 is an apocalyptic number.

36736387 is a deficient number, since it is larger than the sum of its proper divisors (17309).

36736387 is a wasteful number, since it uses less digits than its factorization.

36736387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17308.

The product of its digits is 381024, while the sum is 43.

The square root of 36736387 is about 6061.0549411798. The cubic root of 36736387 is about 332.4289316141.

Subtracting from 36736387 its product of digits (381024), we obtain a palindrome (36355363).

The spelling of 36736387 in words is "thirty-six million, seven hundred thirty-six thousand, three hundred eighty-seven".