74304311 has 2 divisors, whose sum is σ = 74304312. Its totient is φ = 74304310.

The previous prime is 74304299. The next prime is 74304313. The reversal of 74304311 is 11340347.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74304311 - 2⁶ = 74304247 is a prime.

It is a super-2 number, since 2×74304311² = 11042261266369442, which contains 22 as substring.

Together with 74304313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74304313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37152155 + 37152156.

It is an arithmetic number, because the mean of its divisors is an integer number (37152156).

Almost surely, 2^74304311 is an apocalyptic number.

74304311 is a deficient number, since it is larger than the sum of its proper divisors (1).

74304311 is an equidigital number, since it uses as much as digits as its factorization.

74304311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 74304311 is about 8619.9948375855. The cubic root of 74304311 is about 420.4083537856.

Adding to 74304311 its reverse (11340347), we get a palindrome (85644658).

The spelling of 74304311 in words is "seventy-four million, three hundred four thousand, three hundred eleven".