40670834 has 8 divisors (see below), whose sum is σ = 64594908. Its totient is φ = 19139200.

The previous prime is 40670827. The next prime is 40670837. The reversal of 40670834 is 43807604.

It is a happy number.

40670834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40513225 + 157609 = 6365^2 + 397^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40670834.

It is not an unprimeable number, because it can be changed into a prime (40670837) 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, 598067 + ... + 598134.

Almost surely, 2^40670834 is an apocalyptic number.

40670834 is a deficient number, since it is larger than the sum of its proper divisors (23924074).

40670834 is a wasteful number, since it uses less digits than its factorization.

40670834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196220.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 40670834 is about 6377.3688932035. The cubic root of 40670834 is about 343.8964500389.

The spelling of 40670834 in words is "forty million, six hundred seventy thousand, eight hundred thirty-four".