74305378822 has 16 divisors (see below), whose sum is σ = 111918062880. Its totient is φ = 36999655168.

The previous prime is 74305378783. The next prime is 74305378853. The reversal of 74305378822 is 22887350347.

It is a happy number.

It is a super-2 number, since 2×74305378822² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429558 + ... + 577174.

It is an arithmetic number, because the mean of its divisors is an integer number (6994878930).

Almost surely, 2^74305378822 is an apocalyptic number.

74305378822 is a deficient number, since it is larger than the sum of its proper divisors (37612684058).

74305378822 is a wasteful number, since it uses less digits than its factorization.

74305378822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148655.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 74305378822 in words is "seventy-four billion, three hundred five million, three hundred seventy-eight thousand, eight hundred twenty-two".