40673143 has 8 divisors (see below), whose sum is σ = 46609280. Its totient is φ = 34768440.

The previous prime is 40673117. The next prime is 40673183. The reversal of 40673143 is 34137604.

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

It is not a de Polignac number, because 40673143 - 2⁹ = 40672631 is a prime.

It is a super-2 number, since 2×40673143² = 3308609122996898, which contains 22 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 (40673183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5013 + ... + 10318.

It is an arithmetic number, because the mean of its divisors is an integer number (5826160).

Almost surely, 2^40673143 is an apocalyptic number.

40673143 is a deficient number, since it is larger than the sum of its proper divisors (5936137).

40673143 is a wasteful number, since it uses less digits than its factorization.

40673143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15717.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 40673143 is about 6377.5499214040. The cubic root of 40673143 is about 343.9029579119.

The spelling of 40673143 in words is "forty million, six hundred seventy-three thousand, one hundred forty-three".