74319212020 has 24 divisors (see below), whose sum is σ = 156477855744. Its totient is φ = 29650063776.

The previous prime is 74319212017. The next prime is 74319212029. The reversal of 74319212020 is 2021291347.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74319212029) 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, 4843464 + ... + 4858783.

It is an arithmetic number, because the mean of its divisors is an integer number (6519910656).

Almost surely, 2^74319212020 is an apocalyptic number.

It is an amenable number.

74319212020 is an abundant number, since it is smaller than the sum of its proper divisors (82158643724).

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

74319212020 is a wasteful number, since it uses less digits than its factorization.

74319212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9702639 (or 9702637 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 74319212020 in words is "seventy-four billion, three hundred nineteen million, two hundred twelve thousand, twenty".