36638273 has 4 divisors (see below), whose sum is σ = 41872320. Its totient is φ = 31404228.

The previous prime is 36638263. The next prime is 36638299. The reversal of 36638273 is 37283663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37283663 = 2437 ⋅15299.

It is a cyclic number.

It is not a de Polignac number, because 36638273 - 2¹⁴ = 36621889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36638243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2617013 + ... + 2617026.

It is an arithmetic number, because the mean of its divisors is an integer number (10468080).

Almost surely, 2^36638273 is an apocalyptic number.

It is an amenable number.

36638273 is a deficient number, since it is larger than the sum of its proper divisors (5234047).

36638273 is an equidigital number, since it uses as much as digits as its factorization.

36638273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234046.

The product of its digits is 108864, while the sum is 38.

The square root of 36638273 is about 6052.9557242722. The cubic root of 36638273 is about 332.1327220115.

The spelling of 36638273 in words is "thirty-six million, six hundred thirty-eight thousand, two hundred seventy-three".