75422617 has 2 divisors, whose sum is σ = 75422618. Its totient is φ = 75422616.

The previous prime is 75422593. The next prime is 75422621. The reversal of 75422617 is 71622457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67716441 + 7706176 = 8229^2 + 2776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75422617 is a prime.

It is not a weakly prime, because it can be changed into another prime (75422117) 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, 37711308 + 37711309.

It is an arithmetic number, because the mean of its divisors is an integer number (37711309).

Almost surely, 2^75422617 is an apocalyptic number.

It is an amenable number.

75422617 is a deficient number, since it is larger than the sum of its proper divisors (1).

75422617 is an equidigital number, since it uses as much as digits as its factorization.

75422617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 34.

The square root of 75422617 is about 8684.6195656459. The cubic root of 75422617 is about 422.5069583252.

The spelling of 75422617 in words is "seventy-five million, four hundred twenty-two thousand, six hundred seventeen".