75255473 has 2 divisors, whose sum is σ = 75255474. Its totient is φ = 75255472.

The previous prime is 75255451. The next prime is 75255491. The reversal of 75255473 is 37455257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45792289 + 29463184 = 6767^2 + 5428^2 .

It is a cyclic number.

It is not a de Polignac number, because 75255473 - 2¹⁶ = 75189937 is a prime.

It is not a weakly prime, because it can be changed into another prime (75255443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37627736 + 37627737.

It is an arithmetic number, because the mean of its divisors is an integer number (37627737).

Almost surely, 2^75255473 is an apocalyptic number.

It is an amenable number.

75255473 is a deficient number, since it is larger than the sum of its proper divisors (1).

75255473 is an equidigital number, since it uses as much as digits as its factorization.

75255473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147000, while the sum is 38.

The square root of 75255473 is about 8674.9912391887. The cubic root of 75255473 is about 422.1946217133.

The spelling of 75255473 in words is "seventy-five million, two hundred fifty-five thousand, four hundred seventy-three".