7630930388 has 6 divisors (see below), whose sum is σ = 13354128186. Its totient is φ = 3815465192.

The previous prime is 7630930379. The next prime is 7630930393. The reversal of 7630930388 is 8830390367.

It can be written as a sum of positive squares in only one way, i.e., 5012356804 + 2618573584 = 70798^2 + 51172^2 .

It is a super-3 number, since 3×7630930388³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953866295 + ... + 953866302.

It is an arithmetic number, because the mean of its divisors is an integer number (2225688031).

Almost surely, 2^7630930388 is an apocalyptic number.

It is an amenable number.

7630930388 is a deficient number, since it is larger than the sum of its proper divisors (5723197798).

7630930388 is a wasteful number, since it uses less digits than its factorization.

7630930388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907732601 (or 1907732599 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 7630930388 is about 87355.1966857153. The cubic root of 7630930388 is about 1968.7587315739.

The spelling of 7630930388 in words is "seven billion, six hundred thirty million, nine hundred thirty thousand, three hundred eighty-eight".