40670005 has 8 divisors (see below), whose sum is σ = 49532832. Its totient is φ = 32050128.

The previous prime is 40669999. The next prime is 40670009. The reversal of 40670005 is 50007604.

40670005 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 cyclic number.

It is not a de Polignac number, because 40670005 - 2¹⁵ = 40637237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40670009) 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 7 ways as a sum of consecutive naturals, for example, 60367 + ... + 61036.

It is an arithmetic number, because the mean of its divisors is an integer number (6191604).

Almost surely, 2^40670005 is an apocalyptic number.

It is an amenable number.

40670005 is a deficient number, since it is larger than the sum of its proper divisors (8862827).

40670005 is a wasteful number, since it uses less digits than its factorization.

40670005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121475.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 40670005 is about 6377.3038974162. The cubic root of 40670005 is about 343.8941134579.

Adding to 40670005 its reverse (50007604), we get a palindrome (90677609).

It can be divided in two parts, 406 and 70005, that multiplied together give a triangular number (28422030 = T₇₅₃₉).

The spelling of 40670005 in words is "forty million, six hundred seventy thousand, five".