36667091 has 4 divisors (see below), whose sum is σ = 36934872. Its totient is φ = 36399312.

The previous prime is 36667087. The next prime is 36667133. The reversal of 36667091 is 19076663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19076663 = 449 ⋅42487.

It is a cyclic number.

It is not a de Polignac number, because 36667091 - 2² = 36667087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36667061) by changing a digit.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133685 + ... + 133958.

It is an arithmetic number, because the mean of its divisors is an integer number (9233718).

Almost surely, 2^36667091 is an apocalyptic number.

36667091 is a deficient number, since it is larger than the sum of its proper divisors (267781).

36667091 is a wasteful number, since it uses less digits than its factorization.

36667091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267780.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 36667091 is about 6055.3357462654. The cubic root of 36667091 is about 332.2197793573.

The spelling of 36667091 in words is "thirty-six million, six hundred sixty-seven thousand, ninety-one".