74434351 has 2 divisors, whose sum is σ = 74434352. Its totient is φ = 74434350.

The previous prime is 74434309. The next prime is 74434357. The reversal of 74434351 is 15343447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74434351 - 2¹³ = 74426159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74434357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37217175 + 37217176.

It is an arithmetic number, because the mean of its divisors is an integer number (37217176).

Almost surely, 2^74434351 is an apocalyptic number.

74434351 is a deficient number, since it is larger than the sum of its proper divisors (1).

74434351 is an equidigital number, since it uses as much as digits as its factorization.

74434351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 31.

The square root of 74434351 is about 8627.5344682012. The cubic root of 74434351 is about 420.6534631203.

Adding to 74434351 its reverse (15343447), we get a palindrome (89777798).

The spelling of 74434351 in words is "seventy-four million, four hundred thirty-four thousand, three hundred fifty-one".