75524473 has 2 divisors, whose sum is σ = 75524474. Its totient is φ = 75524472.

The previous prime is 75524461. The next prime is 75524483. The reversal of 75524473 is 37442557.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41512249 + 34012224 = 6443^2 + 5832^2 .

It is a cyclic number.

It is not a de Polignac number, because 75524473 - 2¹³ = 75516281 is a prime.

It is not a weakly prime, because it can be changed into another prime (75524443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37762236 + 37762237.

It is an arithmetic number, because the mean of its divisors is an integer number (37762237).

Almost surely, 2^75524473 is an apocalyptic number.

It is an amenable number.

75524473 is a deficient number, since it is larger than the sum of its proper divisors (1).

75524473 is an equidigital number, since it uses as much as digits as its factorization.

75524473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 37.

The square root of 75524473 is about 8690.4817472911. The cubic root of 75524473 is about 422.6970671305.

The spelling of 75524473 in words is "seventy-five million, five hundred twenty-four thousand, four hundred seventy-three".