74140055 has 8 divisors (see below), whose sum is σ = 97056144. Its totient is φ = 53920000.

The previous prime is 74140051. The next prime is 74140067. The reversal of 74140055 is 55004147.

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

It is not a de Polignac number, because 74140055 - 2² = 74140051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74140051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673946 + ... + 674055.

It is an arithmetic number, because the mean of its divisors is an integer number (12132018).

Almost surely, 2^74140055 is an apocalyptic number.

74140055 is a deficient number, since it is larger than the sum of its proper divisors (22916089).

74140055 is a wasteful number, since it uses less digits than its factorization.

74140055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348017.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 74140055 is about 8610.4619504415. The cubic root of 74140055 is about 420.0983424288.

The spelling of 74140055 in words is "seventy-four million, one hundred forty thousand, fifty-five".