73713226020 has 192 divisors, whose sum is σ = 244231303680. Its totient is φ = 16253411328.

The previous prime is 73713226019. The next prime is 73713226039. The reversal of 73713226020 is 2062231737.

It is a super-3 number, since 3×73713226020³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19936812 + ... + 19940508.

It is an arithmetic number, because the mean of its divisors is an integer number (1272038040).

Almost surely, 2^73713226020 is an apocalyptic number.

73713226020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73713226020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122115651840).

73713226020 is an abundant number, since it is smaller than the sum of its proper divisors (170518077660).

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

73713226020 is a wasteful number, since it uses less digits than its factorization.

73713226020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5382 (or 5380 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

Adding to 73713226020 its reverse (2062231737), we get a palindrome (75775457757).

The spelling of 73713226020 in words is "seventy-three billion, seven hundred thirteen million, two hundred twenty-six thousand, twenty".