74740754220 has 48 divisors (see below), whose sum is σ = 228299033088. Its totient is φ = 18118970560.

The previous prime is 74740754191. The next prime is 74740754239. The reversal of 74740754220 is 2245704747.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56621124 + ... + 56622443.

It is an arithmetic number, because the mean of its divisors is an integer number (4756229856).

Almost surely, 2^74740754220 is an apocalyptic number.

It is an amenable number.

74740754220 is an abundant number, since it is smaller than the sum of its proper divisors (153558278868).

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

74740754220 is a wasteful number, since it uses less digits than its factorization.

74740754220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113243590 (or 113243588 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 42.

The spelling of 74740754220 in words is "seventy-four billion, seven hundred forty million, seven hundred fifty-four thousand, two hundred twenty".