40920727 has 2 divisors, whose sum is σ = 40920728. Its totient is φ = 40920726.

The previous prime is 40920721. The next prime is 40920739. The reversal of 40920727 is 72702904.

It is a happy number.

40920727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40920727 - 2²³ = 32532119 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40920721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20460363 + 20460364.

It is an arithmetic number, because the mean of its divisors is an integer number (20460364).

Almost surely, 2^40920727 is an apocalyptic number.

40920727 is a deficient number, since it is larger than the sum of its proper divisors (1).

40920727 is an equidigital number, since it uses as much as digits as its factorization.

40920727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 40920727 is about 6396.9310610636. The cubic root of 40920727 is about 344.5993444545.

The spelling of 40920727 in words is "forty million, nine hundred twenty thousand, seven hundred twenty-seven".