74625379 has 2 divisors, whose sum is σ = 74625380. Its totient is φ = 74625378.

The previous prime is 74625377. The next prime is 74625403. The reversal of 74625379 is 97352647.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74625379 - 2¹ = 74625377 is a prime.

Together with 74625377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74625377) 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, 37312689 + 37312690.

It is an arithmetic number, because the mean of its divisors is an integer number (37312690).

Almost surely, 2^74625379 is an apocalyptic number.

74625379 is a deficient number, since it is larger than the sum of its proper divisors (1).

74625379 is an equidigital number, since it uses as much as digits as its factorization.

74625379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 43.

The square root of 74625379 is about 8638.5982080428. The cubic root of 74625379 is about 421.0130101316.

The spelling of 74625379 in words is "seventy-four million, six hundred twenty-five thousand, three hundred seventy-nine".