74445055 has 8 divisors (see below), whose sum is σ = 89665344. Its totient is φ = 59335200.

The previous prime is 74445047. The next prime is 74445067. The reversal of 74445055 is 55054447.

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

It is not a de Polignac number, because 74445055 - 2³ = 74445047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74445055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26116 + ... + 28825.

It is an arithmetic number, because the mean of its divisors is an integer number (11208168).

Almost surely, 2^74445055 is an apocalyptic number.

74445055 is a deficient number, since it is larger than the sum of its proper divisors (15220289).

74445055 is a wasteful number, since it uses less digits than its factorization.

74445055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55217.

The product of its (nonzero) digits is 56000, while the sum is 34.

The square root of 74445055 is about 8628.1547853524. The cubic root of 74445055 is about 420.6736261176.

The spelling of 74445055 in words is "seventy-four million, four hundred forty-five thousand, fifty-five".