74820219742 has 8 divisors (see below), whose sum is σ = 112415224896. Its totient is φ = 37348478112.

The previous prime is 74820219637. The next prime is 74820219763. The reversal of 74820219742 is 24791202847.

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

It is a junction number, because it is equal to n+sod(n) for n = 74820219692 and 74820219701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30814363 + ... + 30816790.

It is an arithmetic number, because the mean of its divisors is an integer number (14051903112).

Almost surely, 2^74820219742 is an apocalyptic number.

74820219742 is a deficient number, since it is larger than the sum of its proper divisors (37595005154).

74820219742 is a wasteful number, since it uses less digits than its factorization.

74820219742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61631762.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 74820219742 in words is "seventy-four billion, eight hundred twenty million, two hundred nineteen thousand, seven hundred forty-two".