40564573 has 8 divisors (see below), whose sum is σ = 47120000. Its totient is φ = 34199280.

The previous prime is 40564553. The next prime is 40564583. The reversal of 40564573 is 37546504.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40564573 - 2⁵ = 40564541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40564553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47073 + ... + 47926.

It is an arithmetic number, because the mean of its divisors is an integer number (5890000).

Almost surely, 2^40564573 is an apocalyptic number.

It is an amenable number.

40564573 is a deficient number, since it is larger than the sum of its proper divisors (6555427).

40564573 is an equidigital number, since it uses as much as digits as its factorization.

40564573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95067.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 40564573 is about 6369.0323440849. The cubic root of 40564573 is about 343.5966885263.

The spelling of 40564573 in words is "forty million, five hundred sixty-four thousand, five hundred seventy-three".