74807421072 has 80 divisors (see below), whose sum is σ = 203481351360. Its totient is φ = 23616700416.

The previous prime is 74807420981. The next prime is 74807421107. The reversal of 74807421072 is 27012470847.

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 15 ways as a sum of consecutive naturals, for example, 3945888 + ... + 3964800.

It is an arithmetic number, because the mean of its divisors is an integer number (2543516892).

Almost surely, 2^74807421072 is an apocalyptic number.

It is an amenable number.

74807421072 is an abundant number, since it is smaller than the sum of its proper divisors (128673930288).

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

74807421072 is a wasteful number, since it uses less digits than its factorization.

74807421072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23280 (or 23274 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 42.

The spelling of 74807421072 in words is "seventy-four billion, eight hundred seven million, four hundred twenty-one thousand, seventy-two".