75660383 has 2 divisors, whose sum is σ = 75660384. Its totient is φ = 75660382.

The previous prime is 75660379. The next prime is 75660427. The reversal of 75660383 is 38306657.

It is a weak prime.

It is an emirp because it is prime and its reverse (38306657) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75660383 - 2² = 75660379 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 (75660373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37830191 + 37830192.

It is an arithmetic number, because the mean of its divisors is an integer number (37830192).

Almost surely, 2^75660383 is an apocalyptic number.

75660383 is a deficient number, since it is larger than the sum of its proper divisors (1).

75660383 is an equidigital number, since it uses as much as digits as its factorization.

75660383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 75660383 is about 8698.2977070229. The cubic root of 75660383 is about 422.9504699014.

The spelling of 75660383 in words is "seventy-five million, six hundred sixty thousand, three hundred eighty-three".