74212373 has 2 divisors, whose sum is σ = 74212374. Its totient is φ = 74212372.

The previous prime is 74212331. The next prime is 74212399. The reversal of 74212373 is 37321247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50951044 + 23261329 = 7138^2 + 4823^2 .

It is an emirp because it is prime and its reverse (37321247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74212373 - 2¹⁶ = 74146837 is a prime.

It is a super-2 number, since 2×74212373² = 11014952612582258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74212273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37106186 + 37106187.

It is an arithmetic number, because the mean of its divisors is an integer number (37106187).

Almost surely, 2^74212373 is an apocalyptic number.

It is an amenable number.

74212373 is a deficient number, since it is larger than the sum of its proper divisors (1).

74212373 is an equidigital number, since it uses as much as digits as its factorization.

74212373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 29.

The square root of 74212373 is about 8614.6603531422. The cubic root of 74212373 is about 420.2348893972.

The spelling of 74212373 in words is "seventy-four million, two hundred twelve thousand, three hundred seventy-three".