74213801777 has 8 divisors (see below), whose sum is σ = 77325225600. Its totient is φ = 71139199824.

The previous prime is 74213801771. The next prime is 74213801797. The reversal of 74213801777 is 77710831247.

It is a happy number.

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

It is not a de Polignac number, because 74213801777 - 2¹² = 74213797681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74213801771) 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, 9201353 + ... + 9209414.

It is an arithmetic number, because the mean of its divisors is an integer number (9665653200).

Almost surely, 2^74213801777 is an apocalyptic number.

It is an amenable number.

74213801777 is a deficient number, since it is larger than the sum of its proper divisors (3111423823).

74213801777 is a wasteful number, since it uses less digits than its factorization.

74213801777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18410935.

The product of its (nonzero) digits is 460992, while the sum is 47.

The spelling of 74213801777 in words is "seventy-four billion, two hundred thirteen million, eight hundred one thousand, seven hundred seventy-seven".