75308897 has 2 divisors, whose sum is σ = 75308898. Its totient is φ = 75308896.

The previous prime is 75308879. The next prime is 75308903. The reversal of 75308897 is 79880357.

Together with previous prime (75308879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71081761 + 4227136 = 8431^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 75308897 - 2⁶ = 75308833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75308197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37654448 + 37654449.

It is an arithmetic number, because the mean of its divisors is an integer number (37654449).

Almost surely, 2^75308897 is an apocalyptic number.

It is an amenable number.

75308897 is a deficient number, since it is larger than the sum of its proper divisors (1).

75308897 is an equidigital number, since it uses as much as digits as its factorization.

75308897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 75308897 is about 8678.0698890940. The cubic root of 75308897 is about 422.2945036635.

The spelling of 75308897 in words is "seventy-five million, three hundred eight thousand, eight hundred ninety-seven".