6867532620 has 192 divisors, whose sum is σ = 23193354240. Its totient is φ = 1676941056.

The previous prime is 6867532583. The next prime is 6867532621. The reversal of 6867532620 is 262357686.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6867532621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 887689 + ... + 895391.

It is an arithmetic number, because the mean of its divisors is an integer number (120798720).

Almost surely, 2^6867532620 is an apocalyptic number.

6867532620 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 6867532620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11596677120).

6867532620 is an abundant number, since it is smaller than the sum of its proper divisors (16325821620).

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

6867532620 is a wasteful number, since it uses less digits than its factorization.

6867532620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7861 (or 7853 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 6867532620 is about 82870.5775290603. The cubic root of 6867532620 is about 1900.7875424045.

The spelling of 6867532620 in words is "six billion, eight hundred sixty-seven million, five hundred thirty-two thousand, six hundred twenty".