75385357 has 2 divisors, whose sum is σ = 75385358. Its totient is φ = 75385356.

The previous prime is 75385337. The next prime is 75385411. The reversal of 75385357 is 75358357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50495236 + 24890121 = 7106^2 + 4989^2 .

It is a cyclic number.

It is not a de Polignac number, because 75385357 - 2⁷ = 75385229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75385337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37692678 + 37692679.

It is an arithmetic number, because the mean of its divisors is an integer number (37692679).

Almost surely, 2^75385357 is an apocalyptic number.

It is an amenable number.

75385357 is a deficient number, since it is larger than the sum of its proper divisors (1).

75385357 is an equidigital number, since it uses as much as digits as its factorization.

75385357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 441000, while the sum is 43.

The square root of 75385357 is about 8682.4741289566. The cubic root of 75385357 is about 422.4373717610.

Subtracting from 75385357 its reverse (75358357), we obtain a cube (27000 = 30³).

The spelling of 75385357 in words is "seventy-five million, three hundred eighty-five thousand, three hundred fifty-seven".