75417047 has 2 divisors, whose sum is σ = 75417048. Its totient is φ = 75417046.

The previous prime is 75417029. The next prime is 75417071. The reversal of 75417047 is 74071457.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75417047 - 2⁶ = 75416983 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 75416998 and 75417016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75417007) 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, 37708523 + 37708524.

It is an arithmetic number, because the mean of its divisors is an integer number (37708524).

Almost surely, 2^75417047 is an apocalyptic number.

75417047 is a deficient number, since it is larger than the sum of its proper divisors (1).

75417047 is an equidigital number, since it uses as much as digits as its factorization.

75417047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 75417047 is about 8684.2988778600. The cubic root of 75417047 is about 422.4965572820.

The spelling of 75417047 in words is "seventy-five million, four hundred seventeen thousand, forty-seven".