40531673 has 12 divisors (see below), whose sum is σ = 50776740. Its totient is φ = 32068512.

The previous prime is 40531619. The next prime is 40531691. The reversal of 40531673 is 37613504.

It can be written as a sum of positive squares in 2 ways, for example, as 10413529 + 30118144 = 3227^2 + 5488^2 .

It is not a de Polignac number, because 40531673 - 2⁶ = 40531609 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40531373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31178 + ... + 32451.

It is an arithmetic number, because the mean of its divisors is an integer number (4231395).

Almost surely, 2^40531673 is an apocalyptic number.

It is an amenable number.

40531673 is a deficient number, since it is larger than the sum of its proper divisors (10245067).

40531673 is a wasteful number, since it uses less digits than its factorization.

40531673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63656 (or 63649 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 40531673 is about 6366.4490102411. The cubic root of 40531673 is about 343.5037717459.

The spelling of 40531673 in words is "forty million, five hundred thirty-one thousand, six hundred seventy-three".