36069691 has 4 divisors (see below), whose sum is σ = 41222512. Its totient is φ = 30916872.

The previous prime is 36069659. The next prime is 36069697. The reversal of 36069691 is 19696063.

It is a happy number.

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

It is not a de Polignac number, because 36069691 - 2⁵ = 36069659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36069697) 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, 2576400 + ... + 2576413.

It is an arithmetic number, because the mean of its divisors is an integer number (10305628).

Almost surely, 2^36069691 is an apocalyptic number.

36069691 is a deficient number, since it is larger than the sum of its proper divisors (5152821).

36069691 is an equidigital number, since it uses as much as digits as its factorization.

36069691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5152820.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 36069691 is about 6005.8047753819. The cubic root of 36069691 is about 330.4056566315.

The spelling of 36069691 in words is "thirty-six million, sixty-nine thousand, six hundred ninety-one".