75530071 has 2 divisors, whose sum is σ = 75530072. Its totient is φ = 75530070.

The previous prime is 75530057. The next prime is 75530101. The reversal of 75530071 is 17003557.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75530071 - 2²³ = 67141463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75530041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37765035 + 37765036.

It is an arithmetic number, because the mean of its divisors is an integer number (37765036).

Almost surely, 2^75530071 is an apocalyptic number.

75530071 is a deficient number, since it is larger than the sum of its proper divisors (1).

75530071 is an equidigital number, since it uses as much as digits as its factorization.

75530071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 75530071 is about 8690.8038178295. The cubic root of 75530071 is about 422.7075105432.

The spelling of 75530071 in words is "seventy-five million, five hundred thirty thousand, seventy-one".