74216727755 has 8 divisors (see below), whose sum is σ = 89061726192. Its totient is φ = 59372280288.

The previous prime is 74216727751. The next prime is 74216727779. The reversal of 74216727755 is 55772761247.

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

It is a cyclic number.

It is not a de Polignac number, because 74216727755 - 2² = 74216727751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74216727697 and 74216727706.

It is not an unprimeable number, because it can be changed into a prime (74216727751) 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, 266417 + ... + 468413.

It is an arithmetic number, because the mean of its divisors is an integer number (11132715774).

Almost surely, 2^74216727755 is an apocalyptic number.

74216727755 is a deficient number, since it is larger than the sum of its proper divisors (14844998437).

74216727755 is a wasteful number, since it uses less digits than its factorization.

74216727755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275485.

The product of its digits is 5762400, while the sum is 53.

The spelling of 74216727755 in words is "seventy-four billion, two hundred sixteen million, seven hundred twenty-seven thousand, seven hundred fifty-five".