6727630388 has 12 divisors (see below), whose sum is σ = 12465903492. Its totient is φ = 3165943680.

The previous prime is 6727630381. The next prime is 6727630397. The reversal of 6727630388 is 8830367276.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5247843364 + 1479787024 = 72442^2 + 38468^2 .

It is a super-2 number, since 2×6727630388² = 90522021275082061088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6727630381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49467803 + ... + 49467938.

It is an arithmetic number, because the mean of its divisors is an integer number (1038825291).

Almost surely, 2^6727630388 is an apocalyptic number.

6727630388 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6727630388 is a deficient number, since it is larger than the sum of its proper divisors (5738273104).

6727630388 is a wasteful number, since it uses less digits than its factorization.

6727630388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98935762 (or 98935760 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The square root of 6727630388 is about 82022.1335250431. The cubic root of 6727630388 is about 1887.7915647308.

The spelling of 6727630388 in words is "six billion, seven hundred twenty-seven million, six hundred thirty thousand, three hundred eighty-eight".