75381071 has 2 divisors, whose sum is σ = 75381072. Its totient is φ = 75381070.

The previous prime is 75381049. The next prime is 75381127. The reversal of 75381071 is 17018357.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75381071 - 2¹⁰ = 75380047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75381671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37690535 + 37690536.

It is an arithmetic number, because the mean of its divisors is an integer number (37690536).

Almost surely, 2^75381071 is an apocalyptic number.

75381071 is a deficient number, since it is larger than the sum of its proper divisors (1).

75381071 is an equidigital number, since it uses as much as digits as its factorization.

75381071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 75381071 is about 8682.2273064001. The cubic root of 75381071 is about 422.4293657814.

The spelling of 75381071 in words is "seventy-five million, three hundred eighty-one thousand, seventy-one".