40568973 has 16 divisors (see below), whose sum is σ = 54991872. Its totient is φ = 26600000.

The previous prime is 40568963. The next prime is 40568977. The reversal of 40568973 is 37986504.

It is a happy number.

40568973 is nontrivially palindromic in base 15.

It is a cyclic number.

It is not a de Polignac number, because 40568973 - 2²⁵ = 7014541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40568977) 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 15 ways as a sum of consecutive naturals, for example, 57523 + ... + 58223.

It is an arithmetic number, because the mean of its divisors is an integer number (3436992).

Almost surely, 2^40568973 is an apocalyptic number.

It is an amenable number.

40568973 is a deficient number, since it is larger than the sum of its proper divisors (14422899).

40568973 is a wasteful number, since it uses less digits than its factorization.

40568973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 40568973 is about 6369.3777561077. The cubic root of 40568973 is about 343.6091112773.

It can be divided in two parts, 405 and 68973, that added together give a triangular number (69378 = T₃₇₂).

The spelling of 40568973 in words is "forty million, five hundred sixty-eight thousand, nine hundred seventy-three".