74226853 has 2 divisors, whose sum is σ = 74226854. Its totient is φ = 74226852.

The previous prime is 74226829. The next prime is 74226857. The reversal of 74226853 is 35862247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72897444 + 1329409 = 8538^2 + 1153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74226853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74226857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37113426 + 37113427.

It is an arithmetic number, because the mean of its divisors is an integer number (37113427).

Almost surely, 2^74226853 is an apocalyptic number.

It is an amenable number.

74226853 is a deficient number, since it is larger than the sum of its proper divisors (1).

74226853 is an equidigital number, since it uses as much as digits as its factorization.

74226853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 74226853 is about 8615.5007399454. The cubic root of 74226853 is about 420.2622190964.

The spelling of 74226853 in words is "seventy-four million, two hundred twenty-six thousand, eight hundred fifty-three".