74394795580 has 24 divisors (see below), whose sum is σ = 178547509728. Its totient is φ = 25506787008.

The previous prime is 74394795571. The next prime is 74394795647. The reversal of 74394795580 is 8559749347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265695559 + ... + 265695838.

It is an arithmetic number, because the mean of its divisors is an integer number (7439479572).

Almost surely, 2^74394795580 is an apocalyptic number.

74394795580 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74394795580 is an abundant number, since it is smaller than the sum of its proper divisors (104152714148).

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

74394795580 is a wasteful number, since it uses less digits than its factorization.

74394795580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531391413 (or 531391411 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 61.

The spelling of 74394795580 in words is "seventy-four billion, three hundred ninety-four million, seven hundred ninety-five thousand, five hundred eighty".