40673983 has 8 divisors (see below), whose sum is σ = 47139840. Its totient is φ = 34371960.

The previous prime is 40673977. The next prime is 40673987. The reversal of 40673983 is 38937604.

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

It is not a de Polignac number, because 40673983 - 2¹⁷ = 40542911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40673987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40423 + ... + 41416.

It is an arithmetic number, because the mean of its divisors is an integer number (5892480).

Almost surely, 2^40673983 is an apocalyptic number.

40673983 is a deficient number, since it is larger than the sum of its proper divisors (6465857).

40673983 is an equidigital number, since it uses as much as digits as its factorization.

40673983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81917.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 40673983 is about 6377.6157770753. The cubic root of 40673983 is about 343.9053253750.

The spelling of 40673983 in words is "forty million, six hundred seventy-three thousand, nine hundred eighty-three".