40775217 has 8 divisors (see below), whose sum is σ = 62133696. Its totient is φ = 23300112.

The previous prime is 40775213. The next prime is 40775243. The reversal of 40775217 is 71257704.

It is a happy number.

40775217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40775217 - 2² = 40775213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40775213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970818 + ... + 970859.

It is an arithmetic number, because the mean of its divisors is an integer number (7766712).

Almost surely, 2^40775217 is an apocalyptic number.

It is an amenable number.

40775217 is a deficient number, since it is larger than the sum of its proper divisors (21358479).

40775217 is a wasteful number, since it uses less digits than its factorization.

40775217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941687.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 40775217 is about 6385.5475098068. The cubic root of 40775217 is about 344.1904057897.

The spelling of 40775217 in words is "forty million, seven hundred seventy-five thousand, two hundred seventeen".