40673963 has 4 divisors (see below), whose sum is σ = 44371608. Its totient is φ = 36976320.

The previous prime is 40673957. The next prime is 40673977. The reversal of 40673963 is 36937604.

It is a happy number.

40673963 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 not a de Polignac number, because 40673963 - 2⁴ = 40673947 is a prime.

It is a super-2 number, since 2×40673963² = 3308742532250738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40673903) 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, 1848806 + ... + 1848827.

It is an arithmetic number, because the mean of its divisors is an integer number (11092902).

Almost surely, 2^40673963 is an apocalyptic number.

40673963 is a deficient number, since it is larger than the sum of its proper divisors (3697645).

40673963 is a wasteful number, since it uses less digits than its factorization.

40673963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697644.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 40673963 is about 6377.6142090910. The cubic root of 40673963 is about 343.9052690072.

The spelling of 40673963 in words is "forty million, six hundred seventy-three thousand, nine hundred sixty-three".