75755479 has 2 divisors, whose sum is σ = 75755480. Its totient is φ = 75755478.

The previous prime is 75755467. The next prime is 75755501. The reversal of 75755479 is 97455757.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75755479 - 2⁵ = 75755447 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75755429) 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, 37877739 + 37877740.

It is an arithmetic number, because the mean of its divisors is an integer number (37877740).

Almost surely, 2^75755479 is an apocalyptic number.

75755479 is a deficient number, since it is larger than the sum of its proper divisors (1).

75755479 is an equidigital number, since it uses as much as digits as its factorization.

75755479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1543500, while the sum is 49.

The square root of 75755479 is about 8703.7623473990. The cubic root of 75755479 is about 423.1275950013.

The spelling of 75755479 in words is "seventy-five million, seven hundred fifty-five thousand, four hundred seventy-nine".