74130479 has 2 divisors, whose sum is σ = 74130480. Its totient is φ = 74130478.

The previous prime is 74130473. The next prime is 74130481. The reversal of 74130479 is 97403147.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74130479 - 2²⁰ = 73081903 is a prime.

Together with 74130481, 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 (74130473) 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, 37065239 + 37065240.

It is an arithmetic number, because the mean of its divisors is an integer number (37065240).

Almost surely, 2^74130479 is an apocalyptic number.

74130479 is a deficient number, since it is larger than the sum of its proper divisors (1).

74130479 is an equidigital number, since it uses as much as digits as its factorization.

74130479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 74130479 is about 8609.9058647583. The cubic root of 74130479 is about 420.0802548829.

The spelling of 74130479 in words is "seventy-four million, one hundred thirty thousand, four hundred seventy-nine".