7630319521 has 8 divisors (see below), whose sum is σ = 8325048384. Its totient is φ = 6935767920.

The previous prime is 7630319507. The next prime is 7630319533. The reversal of 7630319521 is 1259130367.

7630319521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7630319521 - 2⁷ = 7630319393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7630319551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55476 + ... + 135418.

It is an arithmetic number, because the mean of its divisors is an integer number (1040631048).

Almost surely, 2^7630319521 is an apocalyptic number.

It is an amenable number.

7630319521 is a deficient number, since it is larger than the sum of its proper divisors (694728863).

7630319521 is a wasteful number, since it uses less digits than its factorization.

7630319521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88631.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 7630319521 is about 87351.7001609013. The cubic root of 7630319521 is about 1968.7061961787.

Adding to 7630319521 its reverse (1259130367), we get a palindrome (8889449888).

The spelling of 7630319521 in words is "seven billion, six hundred thirty million, three hundred nineteen thousand, five hundred twenty-one".