36764391 has 4 divisors (see below), whose sum is σ = 49019192. Its totient is φ = 24509592.

The previous prime is 36764369. The next prime is 36764393. The reversal of 36764391 is 19346763.

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

It is not a de Polignac number, because 36764391 - 2⁵ = 36764359 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 (36764393) 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, 6127396 + ... + 6127401.

It is an arithmetic number, because the mean of its divisors is an integer number (12254798).

Almost surely, 2^36764391 is an apocalyptic number.

36764391 is a deficient number, since it is larger than the sum of its proper divisors (12254801).

36764391 is a wasteful number, since it uses less digits than its factorization.

36764391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12254800.

The product of its digits is 81648, while the sum is 39.

The square root of 36764391 is about 6063.3646599887. The cubic root of 36764391 is about 332.5133799052.

The spelling of 36764391 in words is "thirty-six million, seven hundred sixty-four thousand, three hundred ninety-one".