75116477 has 2 divisors, whose sum is σ = 75116478. Its totient is φ = 75116476.

The previous prime is 75116473. The next prime is 75116497. The reversal of 75116477 is 77461157.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74839801 + 276676 = 8651^2 + 526^2 .

It is a cyclic number.

It is not a de Polignac number, because 75116477 - 2² = 75116473 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75116477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75116471) 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, 37558238 + 37558239.

It is an arithmetic number, because the mean of its divisors is an integer number (37558239).

Almost surely, 2^75116477 is an apocalyptic number.

It is an amenable number.

75116477 is a deficient number, since it is larger than the sum of its proper divisors (1).

75116477 is an equidigital number, since it uses as much as digits as its factorization.

75116477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41160, while the sum is 38.

The square root of 75116477 is about 8666.9762316508. The cubic root of 75116477 is about 421.9345319702.

The spelling of 75116477 in words is "seventy-five million, one hundred sixteen thousand, four hundred seventy-seven".