40706471 has 4 divisors (see below), whose sum is σ = 43837752. Its totient is φ = 37575192.

The previous prime is 40706461. The next prime is 40706557. The reversal of 40706471 is 17460704.

It is a happy number.

40706471 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40706471 is a prime.

It is a super-3 number, since 3×40706471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40706411) 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, 1565621 + ... + 1565646.

It is an arithmetic number, because the mean of its divisors is an integer number (10959438).

Almost surely, 2^40706471 is an apocalyptic number.

40706471 is a deficient number, since it is larger than the sum of its proper divisors (3131281).

40706471 is a wasteful number, since it uses less digits than its factorization.

40706471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131280.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 40706471 is about 6380.1623020108. The cubic root of 40706471 is about 343.9968648308.

The spelling of 40706471 in words is "forty million, seven hundred six thousand, four hundred seventy-one".