6981576030 has 512 divisors, whose sum is σ = 23843635200. Its totient is φ = 1427673600.

The previous prime is 6981576013. The next prime is 6981576059. The reversal of 6981576030 is 306751896.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 22741137 + ... + 22741443.

It is an arithmetic number, because the mean of its divisors is an integer number (46569600).

Almost surely, 2^6981576030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6981576030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11921817600).

6981576030 is an abundant number, since it is smaller than the sum of its proper divisors (16862059170).

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

6981576030 is a wasteful number, since it uses less digits than its factorization.

6981576030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 6981576030 is about 83555.8258292024. The cubic root of 6981576030 is about 1911.2514326527.

The spelling of 6981576030 in words is "six billion, nine hundred eighty-one million, five hundred seventy-six thousand, thirty".