5130720672 has 96 divisors (see below), whose sum is σ = 16791473664. Its totient is φ = 1332652800.

The previous prime is 5130720671. The next prime is 5130720677. The reversal of 5130720672 is 2760270315.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×5130720672² = 52648589228176263168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (5130720671) 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 15 ways as a sum of consecutive naturals, for example, 339654 + ... + 354437.

It is an arithmetic number, because the mean of its divisors is an integer number (174911184).

Almost surely, 2^5130720672 is an apocalyptic number.

It is an amenable number.

5130720672 is an abundant number, since it is smaller than the sum of its proper divisors (11660752992).

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

5130720672 is a wasteful number, since it uses less digits than its factorization.

5130720672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694122 (or 694114 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 5130720672 is about 71629.0490792667. The cubic root of 5130720672 is about 1724.7498814839.

Adding to 5130720672 its reverse (2760270315), we get a palindrome (7890990987).

The spelling of 5130720672 in words is "five billion, one hundred thirty million, seven hundred twenty thousand, six hundred seventy-two".