36447969 has 4 divisors (see below), whose sum is σ = 48597296. Its totient is φ = 24298644.

The previous prime is 36447967. The next prime is 36447973. The reversal of 36447969 is 96974463.

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 not a de Polignac number, because 36447969 - 2¹ = 36447967 is a prime.

It is a super-2 number, since 2×36447969² = 2656908888449922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36447967) 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, 6074659 + ... + 6074664.

It is an arithmetic number, because the mean of its divisors is an integer number (12149324).

Almost surely, 2^36447969 is an apocalyptic number.

It is an amenable number.

36447969 is a deficient number, since it is larger than the sum of its proper divisors (12149327).

36447969 is a wasteful number, since it uses less digits than its factorization.

36447969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12149326.

The product of its digits is 979776, while the sum is 48.

The square root of 36447969 is about 6037.2153349040. The cubic root of 36447969 is about 331.5566765180.

The spelling of 36447969 in words is "thirty-six million, four hundred forty-seven thousand, nine hundred sixty-nine".