72075727 has 2 divisors, whose sum is σ = 72075728. Its totient is φ = 72075726.

The previous prime is 72075691. The next prime is 72075739. The reversal of 72075727 is 72757027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72075727 - 2⁷ = 72075599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72075127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36037863 + 36037864.

It is an arithmetic number, because the mean of its divisors is an integer number (36037864).

Almost surely, 2^72075727 is an apocalyptic number.

72075727 is a deficient number, since it is larger than the sum of its proper divisors (1).

72075727 is an equidigital number, since it uses as much as digits as its factorization.

72075727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48020, while the sum is 37.

The square root of 72075727 is about 8489.7424578134. The cubic root of 72075727 is about 416.1625639769.

The spelling of 72075727 in words is "seventy-two million, seventy-five thousand, seven hundred twenty-seven".