75466747 has 2 divisors, whose sum is σ = 75466748. Its totient is φ = 75466746.

The previous prime is 75466709. The next prime is 75466777. The reversal of 75466747 is 74766457.

It is a strong prime.

It is an emirp because it is prime and its reverse (74766457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75466747 - 2¹⁵ = 75433979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75466697 and 75466706.

It is not a weakly prime, because it can be changed into another prime (75466777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37733373 + 37733374.

It is an arithmetic number, because the mean of its divisors is an integer number (37733374).

Almost surely, 2^75466747 is an apocalyptic number.

75466747 is a deficient number, since it is larger than the sum of its proper divisors (1).

75466747 is an equidigital number, since it uses as much as digits as its factorization.

75466747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 987840, while the sum is 46.

The square root of 75466747 is about 8687.1598926231. The cubic root of 75466747 is about 422.5893456229.

The spelling of 75466747 in words is "seventy-five million, four hundred sixty-six thousand, seven hundred forty-seven".