6732146520 has 320 divisors, whose sum is σ = 25216012800. Its totient is φ = 1596913920.

The previous prime is 6732146497. The next prime is 6732146537. The reversal of 6732146520 is 256412376.

6732146520 is a `hidden beast` number, since 6 + 73 + 21 + 46 + 520 = 666.

It is a super-2 number, since 2×6732146520² = 90643593533496220800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1673071 + ... + 1677089.

It is an arithmetic number, because the mean of its divisors is an integer number (78800040).

Almost surely, 2^6732146520 is an apocalyptic number.

6732146520 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 6732146520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12608006400).

6732146520 is an abundant number, since it is smaller than the sum of its proper divisors (18483866280).

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

6732146520 is a wasteful number, since it uses less digits than its factorization.

6732146520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100 (or 4087 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 6732146520 is about 82049.6588658356. The cubic root of 6732146520 is about 1888.2138832610.

Adding to 6732146520 its reverse (256412376), we get a palindrome (6988558896).

The spelling of 6732146520 in words is "six billion, seven hundred thirty-two million, one hundred forty-six thousand, five hundred twenty".