74718401217 has 16 divisors (see below), whose sum is σ = 102851642880. Its totient is φ = 48199132800.

The previous prime is 74718401201. The next prime is 74718401221. The reversal of 74718401217 is 71210481747.

It is not a de Polignac number, because 74718401217 - 2⁴ = 74718401201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74718401257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726367 + ... + 822827.

It is an arithmetic number, because the mean of its divisors is an integer number (6428227680).

Almost surely, 2^74718401217 is an apocalyptic number.

It is an amenable number.

74718401217 is a deficient number, since it is larger than the sum of its proper divisors (28133241663).

74718401217 is a wasteful number, since it uses less digits than its factorization.

74718401217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104824.

The product of its (nonzero) digits is 87808, while the sum is 42.

The spelling of 74718401217 in words is "seventy-four billion, seven hundred eighteen million, four hundred one thousand, two hundred seventeen".