40717797 has 32 divisors (see below), whose sum is σ = 59754240. Its totient is φ = 24583680.

The previous prime is 40717783. The next prime is 40717819. The reversal of 40717797 is 79771704.

It is not a de Polignac number, because 40717797 - 2⁸ = 40717541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40717777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104479 + ... + 104867.

It is an arithmetic number, because the mean of its divisors is an integer number (1867320).

Almost surely, 2^40717797 is an apocalyptic number.

It is an amenable number.

40717797 is a deficient number, since it is larger than the sum of its proper divisors (19036443).

40717797 is a wasteful number, since it uses less digits than its factorization.

40717797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 86436, while the sum is 42.

The square root of 40717797 is about 6381.0498352544. The cubic root of 40717797 is about 344.0287659602.

It can be divided in two parts, 40717 and 797, that added together give a palindrome (41514).

The spelling of 40717797 in words is "forty million, seven hundred seventeen thousand, seven hundred ninety-seven".