7470720252 has 72 divisors (see below), whose sum is σ = 19983075840. Its totient is φ = 2348401440.

The previous prime is 7470720223. The next prime is 7470720259. The reversal of 7470720252 is 2520270747.

It is a super-2 number, since 2×7470720252² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7470720259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4752 + ... + 122327.

It is an arithmetic number, because the mean of its divisors is an integer number (277542720).

Almost surely, 2^7470720252 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 7470720252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9991537920).

7470720252 is an abundant number, since it is smaller than the sum of its proper divisors (12512355588).

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

7470720252 is a wasteful number, since it uses less digits than its factorization.

7470720252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127183 (or 127178 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 7470720252 is about 86433.3283635427. The cubic root of 7470720252 is about 1954.8832466257.

Adding to 7470720252 its reverse (2520270747), we get a palindrome (9990990999).

The spelling of 7470720252 in words is "seven billion, four hundred seventy million, seven hundred twenty thousand, two hundred fifty-two".