74445305 has 8 divisors (see below), whose sum is σ = 97455744. Its totient is φ = 54142000.

The previous prime is 74445289. The next prime is 74445313. The reversal of 74445305 is 50354447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74445305 - 2⁴ = 74445289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676721 + ... + 676830.

It is an arithmetic number, because the mean of its divisors is an integer number (12181968).

Almost surely, 2^74445305 is an apocalyptic number.

It is an amenable number.

74445305 is a deficient number, since it is larger than the sum of its proper divisors (23010439).

74445305 is a wasteful number, since it uses less digits than its factorization.

74445305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353567.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 74445305 is about 8628.1692727948. The cubic root of 74445305 is about 420.6740970165.

The spelling of 74445305 in words is "seventy-four million, four hundred forty-five thousand, three hundred five".