6747063428 has 54 divisors (see below), whose sum is σ = 14553267246. Its totient is φ = 2719592064.

The previous prime is 6747063397. The next prime is 6747063439. The reversal of 6747063428 is 8243607476.

It can be written as a sum of positive squares in only one way, i.e., 6350177344 + 396886084 = 79688^2 + 19922^2 .

It is a super-2 number, since 2×6747063428² = 91045729802910222368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4740725 + ... + 4742147.

It is an arithmetic number, because the mean of its divisors is an integer number (269504949).

Almost surely, 2^6747063428 is an apocalyptic number.

6747063428 is a gapful number since it is divisible by the number (68) 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 6747063428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7276633623).

6747063428 is an abundant number, since it is smaller than the sum of its proper divisors (7806203818).

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

6747063428 is a wasteful number, since it uses less digits than its factorization.

6747063428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 47.

The square root of 6747063428 is about 82140.5102735550. The cubic root of 6747063428 is about 1889.6074722094.

The spelling of 6747063428 in words is "six billion, seven hundred forty-seven million, sixty-three thousand, four hundred twenty-eight".