40797317 has 4 divisors (see below), whose sum is σ = 44506176. Its totient is φ = 37088460.

The previous prime is 40797311. The next prime is 40797319. The reversal of 40797317 is 71379704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40797317 - 2⁴ = 40797301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40797311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1854413 + ... + 1854434.

It is an arithmetic number, because the mean of its divisors is an integer number (11126544).

Almost surely, 2^40797317 is an apocalyptic number.

It is an amenable number.

40797317 is a deficient number, since it is larger than the sum of its proper divisors (3708859).

40797317 is a wasteful number, since it uses less digits than its factorization.

40797317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708858.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 40797317 is about 6387.2777456441. The cubic root of 40797317 is about 344.2525778204.

It can be divided in two parts, 40797 and 317, that added together give a palindrome (41114).

The spelling of 40797317 in words is "forty million, seven hundred ninety-seven thousand, three hundred seventeen".