74315585420 has 24 divisors (see below), whose sum is σ = 156135848064. Its totient is φ = 29712306816.

The previous prime is 74315585413. The next prime is 74315585429. The reversal of 74315585420 is 2458551347.

It is not an unprimeable number, because it can be changed into a prime (74315585429) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 826652 + ... + 912131.

It is an arithmetic number, because the mean of its divisors is an integer number (6505660336).

Almost surely, 2^74315585420 is an apocalyptic number.

It is an amenable number.

74315585420 is an abundant number, since it is smaller than the sum of its proper divisors (81820262644).

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

74315585420 is a wasteful number, since it uses less digits than its factorization.

74315585420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740929 (or 1740927 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 74315585420 in words is "seventy-four billion, three hundred fifteen million, five hundred eighty-five thousand, four hundred twenty".