74550379 has 2 divisors, whose sum is σ = 74550380. Its totient is φ = 74550378.

The previous prime is 74550367. The next prime is 74550403. The reversal of 74550379 is 97305547.

It is a weak prime.

It is an emirp because it is prime and its reverse (97305547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74550379 - 2²⁵ = 40995947 is a prime.

It is not a weakly prime, because it can be changed into another prime (74550779) 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, 37275189 + 37275190.

It is an arithmetic number, because the mean of its divisors is an integer number (37275190).

Almost surely, 2^74550379 is an apocalyptic number.

74550379 is a deficient number, since it is larger than the sum of its proper divisors (1).

74550379 is an equidigital number, since it uses as much as digits as its factorization.

74550379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 74550379 is about 8634.2561347229. The cubic root of 74550379 is about 420.8719206870.

The spelling of 74550379 in words is "seventy-four million, five hundred fifty thousand, three hundred seventy-nine".