75094969 has 2 divisors, whose sum is σ = 75094970. Its totient is φ = 75094968.

The previous prime is 75094961. The next prime is 75094979. The reversal of 75094969 is 96949057.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67322025 + 7772944 = 8205^2 + 2788^2 .

It is an emirp because it is prime and its reverse (96949057) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75094969 - 2³ = 75094961 is a prime.

It is a super-2 number, since 2×75094969² = 11278508738221922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75094961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37547484 + 37547485.

It is an arithmetic number, because the mean of its divisors is an integer number (37547485).

Almost surely, 2^75094969 is an apocalyptic number.

It is an amenable number.

75094969 is a deficient number, since it is larger than the sum of its proper divisors (1).

75094969 is an equidigital number, since it uses as much as digits as its factorization.

75094969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 75094969 is about 8665.7353409852. The cubic root of 75094969 is about 421.8942574767.

The spelling of 75094969 in words is "seventy-five million, ninety-four thousand, nine hundred sixty-nine".