40071470 has 8 divisors (see below), whose sum is σ = 72128664. Its totient is φ = 16028584.

The previous prime is 40071467. The next prime is 40071509. The reversal of 40071470 is 7417004.

40071470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 2003564 + ... + 2003583.

It is an arithmetic number, because the mean of its divisors is an integer number (9016083).

Almost surely, 2^40071470 is an apocalyptic number.

40071470 is a deficient number, since it is larger than the sum of its proper divisors (32057194).

40071470 is a wasteful number, since it uses less digits than its factorization.

40071470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007154.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 40071470 is about 6330.2029983248. The cubic root of 40071470 is about 342.1987547781.

Adding to 40071470 its reverse (7417004), we get a palindrome (47488474).

The spelling of 40071470 in words is "forty million, seventy-one thousand, four hundred seventy".