40827473 has 4 divisors (see below), whose sum is σ = 40871268. Its totient is φ = 40783680.

The previous prime is 40827463. The next prime is 40827491. The reversal of 40827473 is 37472804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27636049 + 13191424 = 5257^2 + 3632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40827473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40827433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20468 + ... + 22373.

It is an arithmetic number, because the mean of its divisors is an integer number (10217817).

It is a Poulet number, since it divides 2^40827472-1.

Almost surely, 2^40827473 is an apocalyptic number.

It is an amenable number.

40827473 is a deficient number, since it is larger than the sum of its proper divisors (43795).

40827473 is an equidigital number, since it uses as much as digits as its factorization.

40827473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43794.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 40827473 is about 6389.6379396645. The cubic root of 40827473 is about 344.3373768932.

The spelling of 40827473 in words is "forty million, eight hundred twenty-seven thousand, four hundred seventy-three".