74316293 has 2 divisors, whose sum is σ = 74316294. Its totient is φ = 74316292.

The previous prime is 74316257. The next prime is 74316317. The reversal of 74316293 is 39261347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67930564 + 6385729 = 8242^2 + 2527^2 .

It is a cyclic number.

It is not a de Polignac number, because 74316293 - 2¹² = 74312197 is a prime.

It is a super-2 number, since 2×74316293² = 11045822810523698, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74316233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37158146 + 37158147.

It is an arithmetic number, because the mean of its divisors is an integer number (37158147).

Almost surely, 2^74316293 is an apocalyptic number.

It is an amenable number.

74316293 is a deficient number, since it is larger than the sum of its proper divisors (1).

74316293 is an equidigital number, since it uses as much as digits as its factorization.

74316293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 74316293 is about 8620.6898215862. The cubic root of 74316293 is about 420.4309503308.

The spelling of 74316293 in words is "seventy-four million, three hundred sixteen thousand, two hundred ninety-three".