74378721823008 has 96 divisors (see below), whose sum is σ = 206655623778240. Its totient is φ = 23358249262080.

The previous prime is 74378721822961. The next prime is 74378721823037. The reversal of 74378721823008 is 80032812787347.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112315735 + ... + 112976022.

It is an arithmetic number, because the mean of its divisors is an integer number (2152662747690).

Almost surely, 2^{74378721823008} is an apocalyptic number.

It is an amenable number.

74378721823008 is an abundant number, since it is smaller than the sum of its proper divisors (132276901955232).

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

74378721823008 is a wasteful number, since it uses less digits than its factorization.

74378721823008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225291970 (or 225291962 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 60.

The spelling of 74378721823008 in words is "seventy-four trillion, three hundred seventy-eight billion, seven hundred twenty-one million, eight hundred twenty-three thousand, eight".