36731009 has 8 divisors (see below), whose sum is σ = 44187840. Its totient is φ = 29826576.

The previous prime is 36730963. The next prime is 36731011. The reversal of 36731009 is 90013763.

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 36731009 - 2²⁴ = 19953793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36731059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137954 + ... + 138219.

It is an arithmetic number, because the mean of its divisors is an integer number (5523480).

Almost surely, 2^36731009 is an apocalyptic number.

It is an amenable number.

36731009 is a deficient number, since it is larger than the sum of its proper divisors (7456831).

36731009 is a wasteful number, since it uses less digits than its factorization.

36731009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276199.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 36731009 is about 6060.6112728008. The cubic root of 36731009 is about 332.4127089151.

The spelling of 36731009 in words is "thirty-six million, seven hundred thirty-one thousand, nine".