36664447 has 8 divisors (see below), whose sum is σ = 37931600. Its totient is φ = 35411904.

The previous prime is 36664421. The next prime is 36664451. The reversal of 36664447 is 74446663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36664447 - 2²³ = 28275839 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 (36664457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1579 + ... + 8707.

It is an arithmetic number, because the mean of its divisors is an integer number (4741450).

Almost surely, 2^36664447 is an apocalyptic number.

36664447 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

36664447 is a deficient number, since it is larger than the sum of its proper divisors (1267153).

36664447 is a wasteful number, since it uses less digits than its factorization.

36664447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7305.

The product of its digits is 290304, while the sum is 40.

The square root of 36664447 is about 6055.1174224783. The cubic root of 36664447 is about 332.2117939023.

The spelling of 36664447 in words is "thirty-six million, six hundred sixty-four thousand, four hundred forty-seven".