40471973 has 4 divisors (see below), whose sum is σ = 42231648. Its totient is φ = 38712300.

The previous prime is 40471943. The next prime is 40471997. The reversal of 40471973 is 37917404.

40471973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40471973 - 2¹⁰ = 40470949 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 (40471903) 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 3 ways as a sum of consecutive naturals, for example, 879803 + ... + 879848.

It is an arithmetic number, because the mean of its divisors is an integer number (10557912).

Almost surely, 2^40471973 is an apocalyptic number.

It is an amenable number.

40471973 is a deficient number, since it is larger than the sum of its proper divisors (1759675).

40471973 is a wasteful number, since it uses less digits than its factorization.

40471973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759674.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 40471973 is about 6361.7586405019. The cubic root of 40471973 is about 343.3350374335.

It can be divided in two parts, 404 and 71973, that multiplied together give a palindrome (29077092).

The spelling of 40471973 in words is "forty million, four hundred seventy-one thousand, nine hundred seventy-three".