75522071 has 2 divisors, whose sum is σ = 75522072. Its totient is φ = 75522070.

The previous prime is 75522053. The next prime is 75522079. The reversal of 75522071 is 17022557.

It is a strong prime.

It is an emirp because it is prime and its reverse (17022557) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75522071 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 (75522079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37761035 + 37761036.

It is an arithmetic number, because the mean of its divisors is an integer number (37761036).

Almost surely, 2^75522071 is an apocalyptic number.

75522071 is a deficient number, since it is larger than the sum of its proper divisors (1).

75522071 is an equidigital number, since it uses as much as digits as its factorization.

75522071 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 75522071 is about 8690.3435490204. The cubic root of 75522071 is about 422.6925858938.

The spelling of 75522071 in words is "seventy-five million, five hundred twenty-two thousand, seventy-one".