43240727 has 2 divisors, whose sum is σ = 43240728. Its totient is φ = 43240726.

The previous prime is 43240723. The next prime is 43240763. The reversal of 43240727 is 72704234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43240727 - 2² = 43240723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43240727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43240721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21620363 + 21620364.

It is an arithmetic number, because the mean of its divisors is an integer number (21620364).

Almost surely, 2^43240727 is an apocalyptic number.

43240727 is a deficient number, since it is larger than the sum of its proper divisors (1).

43240727 is an equidigital number, since it uses as much as digits as its factorization.

43240727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 43240727 is about 6575.7681680546. The cubic root of 43240727 is about 350.9923592030.

The spelling of 43240727 in words is "forty-three million, two hundred forty thousand, seven hundred twenty-seven".