40972317 has 8 divisors (see below), whose sum is σ = 54663840. Its totient is φ = 27297840.

The previous prime is 40972279. The next prime is 40972403. The reversal of 40972317 is 71327904.

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

It is not a de Polignac number, because 40972317 - 2¹⁹ = 40448029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40972117) 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 7 ways as a sum of consecutive naturals, for example, 3234 + ... + 9612.

It is an arithmetic number, because the mean of its divisors is an integer number (6832980).

Almost surely, 2^40972317 is an apocalyptic number.

It is an amenable number.

40972317 is a deficient number, since it is larger than the sum of its proper divisors (13691523).

40972317 is a wasteful number, since it uses less digits than its factorization.

40972317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8523.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 40972317 is about 6400.9621932956. The cubic root of 40972317 is about 344.7440992497.

The spelling of 40972317 in words is "forty million, nine hundred seventy-two thousand, three hundred seventeen".