6742543500 has 864 divisors, whose sum is σ = 28094451840. Its totient is φ = 1330560000.

The previous prime is 6742543469. The next prime is 6742543513. The reversal of 6742543500 is 53452476.

6742543500 is a `hidden beast` number, since 67 + 4 + 2 + 543 + 50 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 110533470 + ... + 110533530.

Almost surely, 2^6742543500 is an apocalyptic number.

6742543500 is a gapful number since it is divisible by the number (60) 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 6742543500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14047225920).

6742543500 is an abundant number, since it is smaller than the sum of its proper divisors (21351908340).

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

6742543500 is a wasteful number, since it uses less digits than its factorization.

6742543500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 6742543500 is about 82112.9922728432. The cubic root of 6742543500 is about 1889.1854220472.

Adding to 6742543500 its reverse (53452476), we get a palindrome (6795995976).

The spelling of 6742543500 in words is "six billion, seven hundred forty-two million, five hundred forty-three thousand, five hundred".