40727273 has 12 divisors (see below), whose sum is σ = 44053248. Its totient is φ = 37542120.

The previous prime is 40727263. The next prime is 40727311. The reversal of 40727273 is 37272704.

It is not a de Polignac number, because 40727273 - 2¹⁰ = 40726249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40727243) 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, 170288 + ... + 170526.

It is an arithmetic number, because the mean of its divisors is an integer number (3671104).

Almost surely, 2^40727273 is an apocalyptic number.

It is an amenable number.

40727273 is a deficient number, since it is larger than the sum of its proper divisors (3325975).

40727273 is an equidigital number, since it uses as much as digits as its factorization.

40727273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 40727273 is about 6381.7923031073. The cubic root of 40727273 is about 344.0554517829.

Adding to 40727273 its reverse (37272704), we get a palindrome (77999977).

It can be divided in two parts, 407 and 27273, that multiplied together give a palindrome (11100111).

The spelling of 40727273 in words is "forty million, seven hundred twenty-seven thousand, two hundred seventy-three".