36667731 has 8 divisors (see below), whose sum is σ = 48935824. Its totient is φ = 24422400.

The previous prime is 36667717. The next prime is 36667751. The reversal of 36667731 is 13776663.

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

It is not a de Polignac number, because 36667731 - 2⁹ = 36667219 is a prime.

It is a super-2 number, since 2×36667731² = 2689044993376722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36667731.

It is not an unprimeable number, because it can be changed into a prime (36667711) 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, 1486 + ... + 8691.

It is an arithmetic number, because the mean of its divisors is an integer number (6116978).

Almost surely, 2^36667731 is an apocalyptic number.

36667731 is a deficient number, since it is larger than the sum of its proper divisors (12268093).

36667731 is a wasteful number, since it uses less digits than its factorization.

36667731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11381.

The product of its digits is 95256, while the sum is 39.

The square root of 36667731 is about 6055.3885919898. The cubic root of 36667731 is about 332.2217122387.

The spelling of 36667731 in words is "thirty-six million, six hundred sixty-seven thousand, seven hundred thirty-one".