40605273 has 8 divisors (see below), whose sum is σ = 60156000. Its totient is φ = 27070164.

The previous prime is 40605269. The next prime is 40605311. The reversal of 40605273 is 37250604.

It is a happy number.

It is not a de Polignac number, because 40605273 - 2² = 40605269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1503899 = 40605273 / (4 + 0 + 6 + 0 + 5 + 2 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (40605203) 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, 751923 + ... + 751976.

It is an arithmetic number, because the mean of its divisors is an integer number (7519500).

Almost surely, 2^40605273 is an apocalyptic number.

It is an amenable number.

40605273 is a deficient number, since it is larger than the sum of its proper divisors (19550727).

40605273 is a wasteful number, since it uses less digits than its factorization.

40605273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503908 (or 1503902 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 40605273 is about 6372.2266908829. The cubic root of 40605273 is about 343.7115647164.

Adding to 40605273 its reverse (37250604), we get a palindrome (77855877).

The spelling of 40605273 in words is "forty million, six hundred five thousand, two hundred seventy-three".