75045071 has 2 divisors, whose sum is σ = 75045072. Its totient is φ = 75045070.

The previous prime is 75045059. The next prime is 75045073. The reversal of 75045071 is 17054057.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75045071 - 2⁶ = 75045007 is a prime.

Together with 75045073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75045073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37522535 + 37522536.

It is an arithmetic number, because the mean of its divisors is an integer number (37522536).

Almost surely, 2^75045071 is an apocalyptic number.

75045071 is a deficient number, since it is larger than the sum of its proper divisors (1).

75045071 is an equidigital number, since it uses as much as digits as its factorization.

75045071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 75045071 is about 8662.8558224179. The cubic root of 75045071 is about 421.8007920761.

The spelling of 75045071 in words is "seventy-five million, forty-five thousand, seventy-one".