75750071 has 2 divisors, whose sum is σ = 75750072. Its totient is φ = 75750070.

The previous prime is 75750067. The next prime is 75750097. The reversal of 75750071 is 17005757.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75750071 - 2² = 75750067 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75750061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37875035 + 37875036.

It is an arithmetic number, because the mean of its divisors is an integer number (37875036).

Almost surely, 2^75750071 is an apocalyptic number.

75750071 is a deficient number, since it is larger than the sum of its proper divisors (1).

75750071 is an equidigital number, since it uses as much as digits as its factorization.

75750071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8575, while the sum is 32.

The square root of 75750071 is about 8703.4516716071. The cubic root of 75750071 is about 423.1175260773.

The spelling of 75750071 in words is "seventy-five million, seven hundred fifty thousand, seventy-one".