36704509 has 12 divisors (see below), whose sum is σ = 38332224. Its totient is φ = 35124864.

The previous prime is 36704491. The next prime is 36704533. The reversal of 36704509 is 90540763.

It is not a de Polignac number, because 36704509 - 2¹¹ = 36702461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36704209) 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 11 ways as a sum of consecutive naturals, for example, 378349 + ... + 378445.

It is an arithmetic number, because the mean of its divisors is an integer number (3194352).

Almost surely, 2^36704509 is an apocalyptic number.

It is an amenable number.

36704509 is a deficient number, since it is larger than the sum of its proper divisors (1627715).

36704509 is an frugal number, since it uses more digits than its factorization.

36704509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 36704509 is about 6058.4246302153. The cubic root of 36704509 is about 332.3327487188.

The spelling of 36704509 in words is "thirty-six million, seven hundred four thousand, five hundred nine".