6742128468 has 12 divisors (see below), whose sum is σ = 15731633120. Its totient is φ = 2247376152.

The previous prime is 6742128443. The next prime is 6742128469. The reversal of 6742128468 is 8648212476.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6742128469) 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, 280922008 + ... + 280922031.

Almost surely, 2^6742128468 is an apocalyptic number.

It is an amenable number.

6742128468 is an abundant number, since it is smaller than the sum of its proper divisors (8989504652).

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

6742128468 is a wasteful number, since it uses less digits than its factorization.

6742128468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561844046 (or 561844044 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The square root of 6742128468 is about 82110.4650333927. The cubic root of 6742128468 is about 1889.1466588074.

The spelling of 6742128468 in words is "six billion, seven hundred forty-two million, one hundred twenty-eight thousand, four hundred sixty-eight".