6734251520 has 80 divisors (see below), whose sum is σ = 16667468928. Its totient is φ = 2606776320.

The previous prime is 6734251507. The next prime is 6734251541. The reversal of 6734251520 is 251524376.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36932 + ... + 121788.

Almost surely, 2^6734251520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6734251520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8333734464).

6734251520 is an abundant number, since it is smaller than the sum of its proper divisors (9933217408).

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

6734251520 is an equidigital number, since it uses as much as digits as its factorization.

6734251520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84911 (or 84895 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 6734251520 is about 82062.4854607756. The cubic root of 6734251520 is about 1888.4106642836.

Adding to 6734251520 its reverse (251524376), we get a palindrome (6985775896).

The spelling of 6734251520 in words is "six billion, seven hundred thirty-four million, two hundred fifty-one thousand, five hundred twenty".