6997940352 has 512 divisors, whose sum is σ = 23750496000. Its totient is φ = 2012774400.

The previous prime is 6997940347. The next prime is 6997940363. The reversal of 6997940352 is 2530497996.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53419327 + ... + 53419457.

Almost surely, 2^6997940352 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 6997940352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11875248000).

6997940352 is an abundant number, since it is smaller than the sum of its proper divisors (16752555648).

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

6997940352 is a wasteful number, since it uses less digits than its factorization.

6997940352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The square root of 6997940352 is about 83653.6929967829. The cubic root of 6997940352 is about 1912.7435469927.

The spelling of 6997940352 in words is "six billion, nine hundred ninety-seven million, nine hundred forty thousand, three hundred fifty-two".