40830173 has 4 divisors (see below), whose sum is σ = 42238140. Its totient is φ = 39422208.

The previous prime is 40830157. The next prime is 40830187. The reversal of 40830173 is 37103804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11648569 + 29181604 = 3413^2 + 5402^2 .

It is a cyclic number.

It is not a de Polignac number, because 40830173 - 2⁴ = 40830157 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 (40830103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703940 + ... + 703997.

It is an arithmetic number, because the mean of its divisors is an integer number (10559535).

Almost surely, 2^40830173 is an apocalyptic number.

It is an amenable number.

40830173 is a deficient number, since it is larger than the sum of its proper divisors (1407967).

40830173 is a wasteful number, since it uses less digits than its factorization.

40830173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407966.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 40830173 is about 6389.8492157484. The cubic root of 40830173 is about 344.3449672921.

Adding to 40830173 its reverse (37103804), we get a palindrome (77933977).

The spelling of 40830173 in words is "forty million, eight hundred thirty thousand, one hundred seventy-three".