74420704072 has 32 divisors (see below), whose sum is σ = 163933721280. Its totient is φ = 31225469760.

The previous prime is 74420704069. The next prime is 74420704073. The reversal of 74420704072 is 27040702447.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (74420704073) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32525388 + ... + 32527675.

It is an arithmetic number, because the mean of its divisors is an integer number (5122928790).

Almost surely, 2^74420704072 is an apocalyptic number.

It is an amenable number.

74420704072 is an abundant number, since it is smaller than the sum of its proper divisors (89513017208).

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

74420704072 is a wasteful number, since it uses less digits than its factorization.

74420704072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65053093 (or 65053089 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 37.

The spelling of 74420704072 in words is "seventy-four billion, four hundred twenty million, seven hundred four thousand, seventy-two".