36068391 has 6 divisors (see below), whose sum is σ = 52098800. Its totient is φ = 24045588.

The previous prime is 36068387. The next prime is 36068399. The reversal of 36068391 is 19386063.

It is a happy number.

It is not a de Polignac number, because 36068391 - 2² = 36068387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36068399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2003791 + ... + 2003808.

Almost surely, 2^36068391 is an apocalyptic number.

36068391 is a deficient number, since it is larger than the sum of its proper divisors (16030409).

36068391 is a wasteful number, since it uses less digits than its factorization.

36068391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007605 (or 4007602 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 36068391 is about 6005.6965457805. The cubic root of 36068391 is about 330.4016871629.

The spelling of 36068391 in words is "thirty-six million, sixty-eight thousand, three hundred ninety-one".