40740719 has 2 divisors, whose sum is σ = 40740720. Its totient is φ = 40740718.

The previous prime is 40740691. The next prime is 40740767. The reversal of 40740719 is 91704704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40740719 - 2¹² = 40736623 is a prime.

It is a super-2 number, since 2×40740719² = 3319612369273922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40740779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20370359 + 20370360.

It is an arithmetic number, because the mean of its divisors is an integer number (20370360).

Almost surely, 2^40740719 is an apocalyptic number.

40740719 is a deficient number, since it is larger than the sum of its proper divisors (1).

40740719 is an equidigital number, since it uses as much as digits as its factorization.

40740719 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 32.

The square root of 40740719 is about 6382.8456819823. The cubic root of 40740719 is about 344.0933106119.

The spelling of 40740719 in words is "forty million, seven hundred forty thousand, seven hundred nineteen".