75536477 has 2 divisors, whose sum is σ = 75536478. Its totient is φ = 75536476.

The previous prime is 75536467. The next prime is 75536479. The reversal of 75536477 is 77463557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75099556 + 436921 = 8666^2 + 661^2 .

It is an emirp because it is prime and its reverse (77463557) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75536477 - 2⁶ = 75536413 is a prime.

Together with 75536479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75536479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37768238 + 37768239.

It is an arithmetic number, because the mean of its divisors is an integer number (37768239).

Almost surely, 2^75536477 is an apocalyptic number.

It is an amenable number.

75536477 is a deficient number, since it is larger than the sum of its proper divisors (1).

75536477 is an equidigital number, since it uses as much as digits as its factorization.

75536477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 617400, while the sum is 44.

The square root of 75536477 is about 8691.1723605047. The cubic root of 75536477 is about 422.7194606964.

The spelling of 75536477 in words is "seventy-five million, five hundred thirty-six thousand, four hundred seventy-seven".