5220520074 has 144 divisors (see below), whose sum is σ = 14475891456. Its totient is φ = 1355674320.

The previous prime is 5220520073. The next prime is 5220520079. The reversal of 5220520074 is 4700250225.

5220520074 is a `hidden beast` number, since 52 + 20 + 520 + 0 + 74 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5220520073) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1171719 + ... + 1176165.

It is an arithmetic number, because the mean of its divisors is an integer number (100527024).

Almost surely, 2^5220520074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5220520074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7237945728).

5220520074 is an abundant number, since it is smaller than the sum of its proper divisors (9255371382).

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

5220520074 is a wasteful number, since it uses less digits than its factorization.

5220520074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502 (or 4470 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 5220520074 is about 72253.1665326856. The cubic root of 5220520074 is about 1734.7541030203.

Adding to 5220520074 its reverse (4700250225), we get a palindrome (9920770299).

The spelling of 5220520074 in words is "five billion, two hundred twenty million, five hundred twenty thousand, seventy-four".