36581379 has 4 divisors (see below), whose sum is σ = 48775176. Its totient is φ = 24387584.

The previous prime is 36581371. The next prime is 36581387. The reversal of 36581379 is 97318563.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (36581371) and next prime (36581387).

It is a cyclic number.

It is not a de Polignac number, because 36581379 - 2³ = 36581371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36581379.

It is not an unprimeable number, because it can be changed into a prime (36581371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6096894 + ... + 6096899.

It is an arithmetic number, because the mean of its divisors is an integer number (12193794).

Almost surely, 2^36581379 is an apocalyptic number.

36581379 is a deficient number, since it is larger than the sum of its proper divisors (12193797).

36581379 is a wasteful number, since it uses less digits than its factorization.

36581379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12193796.

The product of its digits is 136080, while the sum is 42.

The square root of 36581379 is about 6048.2542109273. The cubic root of 36581379 is about 331.9607147352.

The spelling of 36581379 in words is "thirty-six million, five hundred eighty-one thousand, three hundred seventy-nine".