5021720674740 has 576 divisors, whose sum is σ = 19793875046400. Its totient is φ = 1038215439360.

The previous prime is 5021720674739. The next prime is 5021720674757. The reversal of 5021720674740 is 474760271205.

5021720674740 is a `hidden beast` number, since 5 + 0 + 2 + 172 + 0 + 6 + 7 + 474 + 0 = 666.

It is a super-2 number, since 2×5021720674740² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 74436064 + ... + 74503496.

It is an arithmetic number, because the mean of its divisors is an integer number (34364366400).

Almost surely, 2^{5021720674740} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5021720674740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9896937523200).

5021720674740 is an abundant number, since it is smaller than the sum of its proper divisors (14772154371660).

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

5021720674740 is a wasteful number, since it uses less digits than its factorization.

5021720674740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67674 (or 67660 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 5021720674740 in words is "five trillion, twenty-one billion, seven hundred twenty million, six hundred seventy-four thousand, seven hundred forty".