367720091 has 4 divisors (see below), whose sum is σ = 387073800. Its totient is φ = 348366384.

The previous prime is 367720069. The next prime is 367720117. The reversal of 367720091 is 190027763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190027763 = 101 ⋅1881463.

It is a cyclic number.

It is not a de Polignac number, because 367720091 - 2¹⁰ = 367719067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (367720051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9676826 + ... + 9676863.

It is an arithmetic number, because the mean of its divisors is an integer number (96768450).

Almost surely, 2^367720091 is an apocalyptic number.

367720091 is a deficient number, since it is larger than the sum of its proper divisors (19353709).

367720091 is a wasteful number, since it uses less digits than its factorization.

367720091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19353708.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 367720091 is about 19176.0290727773. The cubic root of 367720091 is about 716.4278383813.

The spelling of 367720091 in words is "three hundred sixty-seven million, seven hundred twenty thousand, ninety-one".