7720452300 has 144 divisors (see below), whose sum is σ = 24400438272. Its totient is φ = 1869177600.

The previous prime is 7720452293. The next prime is 7720452317. The reversal of 7720452300 is 32540277.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4926117 + ... + 4927683.

It is an arithmetic number, because the mean of its divisors is an integer number (169447488).

Almost surely, 2^7720452300 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 7720452300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12200219136).

7720452300 is an abundant number, since it is smaller than the sum of its proper divisors (16679985972).

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

7720452300 is a wasteful number, since it uses less digits than its factorization.

7720452300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088 (or 3081 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 7720452300 is about 87866.1043861625. The cubic root of 7720452300 is about 1976.4276213284.

Adding to 7720452300 its reverse (32540277), we get a palindrome (7752992577).

The spelling of 7720452300 in words is "seven billion, seven hundred twenty million, four hundred fifty-two thousand, three hundred".