6990524532 has 120 divisors (see below), whose sum is σ = 18626952960. Its totient is φ = 2285599680.

The previous prime is 6990524531. The next prime is 6990524549. The reversal of 6990524532 is 2354250996.

6990524532 is a `hidden beast` number, since 6 + 9 + 90 + 5 + 24 + 532 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6990524531) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5267253 + ... + 5268579.

It is an arithmetic number, because the mean of its divisors is an integer number (155224608).

Almost surely, 2^6990524532 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 6990524532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9313476480).

6990524532 is an abundant number, since it is smaller than the sum of its proper divisors (11636428428).

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

6990524532 is a wasteful number, since it uses less digits than its factorization.

6990524532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 6990524532 is about 83609.3567251896. The cubic root of 6990524532 is about 1912.0676540576.

The spelling of 6990524532 in words is "six billion, nine hundred ninety million, five hundred twenty-four thousand, five hundred thirty-two".