36784513 has 4 divisors (see below), whose sum is σ = 38720560. Its totient is φ = 34848468.

The previous prime is 36784511. The next prime is 36784523. The reversal of 36784513 is 31548763.

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.

It is a cyclic number.

It is not a de Polignac number, because 36784513 - 2¹ = 36784511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36784511) 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, 967995 + ... + 968032.

It is an arithmetic number, because the mean of its divisors is an integer number (9680140).

Almost surely, 2^36784513 is an apocalyptic number.

It is an amenable number.

36784513 is a deficient number, since it is larger than the sum of its proper divisors (1936047).

36784513 is a wasteful number, since it uses less digits than its factorization.

36784513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936046.

The product of its digits is 60480, while the sum is 37.

The square root of 36784513 is about 6065.0237427400. The cubic root of 36784513 is about 332.5740329242.

The spelling of 36784513 in words is "thirty-six million, seven hundred eighty-four thousand, five hundred thirteen".