75893381 has 2 divisors, whose sum is σ = 75893382. Its totient is φ = 75893380.

The previous prime is 75893371. The next prime is 75893393. The reversal of 75893381 is 18339857.

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., 69472225 + 6421156 = 8335^2 + 2534^2 .

It is an emirp because it is prime and its reverse (18339857) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75893381 - 2²² = 71699077 is a prime.

It is a super-2 number, since 2×75893381² = 11519610559222322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75893341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37946690 + 37946691.

It is an arithmetic number, because the mean of its divisors is an integer number (37946691).

Almost surely, 2^75893381 is an apocalyptic number.

It is an amenable number.

75893381 is a deficient number, since it is larger than the sum of its proper divisors (1).

75893381 is an equidigital number, since it uses as much as digits as its factorization.

75893381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 75893381 is about 8711.6807218814. The cubic root of 75893381 is about 423.3841870970.

The spelling of 75893381 in words is "seventy-five million, eight hundred ninety-three thousand, three hundred eighty-one".