6912998400 has 792 divisors, whose sum is σ = 29167883136. Its totient is φ = 1427865600.

The previous prime is 6912998387. The next prime is 6912998447. The reversal of 6912998400 is 48992196.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 6912998400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 41395117 + ... + 41395283.

Almost surely, 2^6912998400 is an apocalyptic number.

6912998400 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 6912998400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14583941568).

6912998400 is an abundant number, since it is smaller than the sum of its proper divisors (22254884736).

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

6912998400 is a wasteful number, since it uses less digits than its factorization.

6912998400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 6912998400 is about 83144.4429892942. The cubic root of 6912998400 is about 1904.9729744514.

The spelling of 6912998400 in words is "six billion, nine hundred twelve million, nine hundred ninety-eight thousand, four hundred".