74799473766 has 8 divisors (see below), whose sum is σ = 149598947544. Its totient is φ = 24933157920.

The previous prime is 74799473747. The next prime is 74799473779. The reversal of 74799473766 is 66737499747.

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

74799473766 is an admirable number.

It is a super-2 number, since 2×74799473766² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74799473766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6233289475 + ... + 6233289486.

It is an arithmetic number, because the mean of its divisors is an integer number (18699868443).

Almost surely, 2^74799473766 is an apocalyptic number.

74799473766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74799473766 is a wasteful number, since it uses less digits than its factorization.

74799473766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12466578966.

The product of its digits is 336063168, while the sum is 69.

The spelling of 74799473766 in words is "seventy-four billion, seven hundred ninety-nine million, four hundred seventy-three thousand, seven hundred sixty-six".