40735273 has 4 divisors (see below), whose sum is σ = 40761028. Its totient is φ = 40709520.

The previous prime is 40735267. The next prime is 40735291. The reversal of 40735273 is 37253704.

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 31663129 + 9072144 = 5627^2 + 3012^2 .

It is a cyclic number.

It is not a de Polignac number, because 40735273 - 2¹³ = 40727081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40735243) 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, 10338 + ... + 13723.

It is an arithmetic number, because the mean of its divisors is an integer number (10190257).

Almost surely, 2^40735273 is an apocalyptic number.

It is an amenable number.

40735273 is a deficient number, since it is larger than the sum of its proper divisors (25755).

40735273 is a wasteful number, since it uses less digits than its factorization.

40735273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25754.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 40735273 is about 6382.4190554993. The cubic root of 40735273 is about 344.0779777482.

Adding to 40735273 its reverse (37253704), we get a palindrome (77988977).

The spelling of 40735273 in words is "forty million, seven hundred thirty-five thousand, two hundred seventy-three".