74473349 has 2 divisors, whose sum is σ = 74473350. Its totient is φ = 74473348.

The previous prime is 74473313. The next prime is 74473361. The reversal of 74473349 is 94337447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38353249 + 36120100 = 6193^2 + 6010^2 .

It is a cyclic number.

It is not a de Polignac number, because 74473349 - 2¹² = 74469253 is a prime.

It is a super-2 number, since 2×74473349² = 11092559422551602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74403349) 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, 37236674 + 37236675.

It is an arithmetic number, because the mean of its divisors is an integer number (37236675).

Almost surely, 2^74473349 is an apocalyptic number.

It is an amenable number.

74473349 is a deficient number, since it is larger than the sum of its proper divisors (1).

74473349 is an equidigital number, since it uses as much as digits as its factorization.

74473349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 41.

The square root of 74473349 is about 8629.7942617423. The cubic root of 74473349 is about 420.7269138834.

The spelling of 74473349 in words is "seventy-four million, four hundred seventy-three thousand, three hundred forty-nine".