6742331520 has 128 divisors (see below), whose sum is σ = 21534223680. Its totient is φ = 1794355200.

The previous prime is 6742331489. The next prime is 6742331593. The reversal of 6742331520 is 251332476.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1035475 + ... + 1041965.

Almost surely, 2^6742331520 is an apocalyptic number.

6742331520 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 6742331520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10767111840).

6742331520 is an abundant number, since it is smaller than the sum of its proper divisors (14791892160).

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

6742331520 is a wasteful number, since it uses less digits than its factorization.

6742331520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7054 (or 7042 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 6742331520 is about 82111.7014803615. The cubic root of 6742331520 is about 1889.1656236965.

Adding to 6742331520 its reverse (251332476), we get a palindrome (6993663996).

The spelling of 6742331520 in words is "six billion, seven hundred forty-two million, three hundred thirty-one thousand, five hundred twenty".