74253313 has 2 divisors, whose sum is σ = 74253314. Its totient is φ = 74253312.

The previous prime is 74253299. The next prime is 74253343. The reversal of 74253313 is 31335247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62916624 + 11336689 = 7932^2 + 3367^2 .

It is an emirp because it is prime and its reverse (31335247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74253313 - 2¹³ = 74245121 is a prime.

It is not a weakly prime, because it can be changed into another prime (74253343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37126656 + 37126657.

It is an arithmetic number, because the mean of its divisors is an integer number (37126657).

Almost surely, 2^74253313 is an apocalyptic number.

It is an amenable number.

74253313 is a deficient number, since it is larger than the sum of its proper divisors (1).

74253313 is an equidigital number, since it uses as much as digits as its factorization.

74253313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 28.

The square root of 74253313 is about 8617.0362074207. The cubic root of 74253313 is about 420.3121507890.

The spelling of 74253313 in words is "seventy-four million, two hundred fifty-three thousand, three hundred thirteen".