74138055 has 16 divisors (see below), whose sum is σ = 119240160. Its totient is φ = 39333888.

The previous prime is 74138033. The next prime is 74138087. The reversal of 74138055 is 55083147.

It is not a de Polignac number, because 74138055 - 2⁵ = 74138023 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 9910 + ... + 15699.

It is an arithmetic number, because the mean of its divisors is an integer number (7452510).

Almost surely, 2^74138055 is an apocalyptic number.

74138055 is a deficient number, since it is larger than the sum of its proper divisors (45102105).

74138055 is a wasteful number, since it uses less digits than its factorization.

74138055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25810.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 74138055 is about 8610.3458118707. The cubic root of 74138055 is about 420.0945648745.

The spelling of 74138055 in words is "seventy-four million, one hundred thirty-eight thousand, fifty-five".