7621325712 has 480 divisors, whose sum is σ = 29432282880. Its totient is φ = 1776660480.

The previous prime is 7621325707. The next prime is 7621325717. The reversal of 7621325712 is 2175231267.

7621325712 is a `hidden beast` number, since 7 + 621 + 3 + 25 + 7 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (7621325707) and next prime (7621325717).

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

It is not an unprimeable number, because it can be changed into a prime (7621325717) 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 95 ways as a sum of consecutive naturals, for example, 5332614 + ... + 5334042.

It is an arithmetic number, because the mean of its divisors is an integer number (61317256).

Almost surely, 2^7621325712 is an apocalyptic number.

7621325712 is a gapful number since it is divisible by the number (72) 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 7621325712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14716141440).

7621325712 is an abundant number, since it is smaller than the sum of its proper divisors (21810957168).

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

7621325712 is a wasteful number, since it uses less digits than its factorization.

7621325712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511 (or 1502 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 7621325712 is about 87300.2045358429. The cubic root of 7621325712 is about 1967.9323915898.

Adding to 7621325712 its reverse (2175231267), we get a palindrome (9796556979).

It can be divided in two parts, 7621 and 325712, that added together give a palindrome (333333).

The spelling of 7621325712 in words is "seven billion, six hundred twenty-one million, three hundred twenty-five thousand, seven hundred twelve".