5220072 has 128 divisors (see below), whose sum is σ = 17136000. Its totient is φ = 1460160.

The previous prime is 5220053. The next prime is 5220073. The reversal of 5220072 is 2700225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (5220073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401538 + ... + 401550.

It is an arithmetic number, because the mean of its divisors is an integer number (133875).

Almost surely, 2^5220072 is an apocalyptic number.

5220072 is a gapful number since it is divisible by the number (52) 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 5220072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8568000).

5220072 is an abundant number, since it is smaller than the sum of its proper divisors (11915928).

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

5220072 is a wasteful number, since it uses less digits than its factorization.

5220072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 5220072 is about 2284.7476884768. The cubic root of 5220072 is about 173.4704470644.

Adding to 5220072 its reverse (2700225), we get a palindrome (7920297).

The spelling of 5220072 in words is "five million, two hundred twenty thousand, seventy-two".