74768593 has 2 divisors, whose sum is σ = 74768594. Its totient is φ = 74768592.

The previous prime is 74768549. The next prime is 74768611. The reversal of 74768593 is 39586747.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43665664 + 31102929 = 6608^2 + 5577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74768593 is a prime.

It is not a weakly prime, because it can be changed into another prime (74768513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37384296 + 37384297.

It is an arithmetic number, because the mean of its divisors is an integer number (37384297).

Almost surely, 2^74768593 is an apocalyptic number.

It is an amenable number.

74768593 is a deficient number, since it is larger than the sum of its proper divisors (1).

74768593 is an equidigital number, since it uses as much as digits as its factorization.

74768593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 74768593 is about 8646.8834269926. The cubic root of 74768593 is about 421.2821608697.

The spelling of 74768593 in words is "seventy-four million, seven hundred sixty-eight thousand, five hundred ninety-three".