6990347100 has 144 divisors (see below), whose sum is σ = 22660799616. Its totient is φ = 1648800000.

The previous prime is 6990347093. The next prime is 6990347101. The reversal of 6990347100 is 17430996.

It is a super-3 number, since 3×6990347100³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6990347101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93475 + ... + 150725.

It is an arithmetic number, because the mean of its divisors is an integer number (157366664).

Almost surely, 2^6990347100 is an apocalyptic number.

6990347100 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 6990347100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11330399808).

6990347100 is an abundant number, since it is smaller than the sum of its proper divisors (15670452516).

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

6990347100 is a wasteful number, since it uses less digits than its factorization.

6990347100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57316 (or 57309 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 6990347100 is about 83608.2956410427. The cubic root of 6990347100 is about 1912.0514766899.

The spelling of 6990347100 in words is "six billion, nine hundred ninety million, three hundred forty-seven thousand, one hundred".