6757998 has 32 divisors (see below), whose sum is σ = 15192576. Its totient is φ = 1988448.

The previous prime is 6757987. The next prime is 6758023. The reversal of 6757998 is 8997576.

It is a self number, because there is not a number n which added to its sum of digits gives 6757998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90 + ... + 3677.

It is an arithmetic number, because the mean of its divisors is an integer number (474768).

Almost surely, 2^6757998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6757998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7596288).

6757998 is an abundant number, since it is smaller than the sum of its proper divisors (8434578).

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

6757998 is a wasteful number, since it uses less digits than its factorization.

6757998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808.

The product of its digits is 952560, while the sum is 51.

The square root of 6757998 is about 2599.6149714910. The cubic root of 6757998 is about 189.0627713449.

The spelling of 6757998 in words is "six million, seven hundred fifty-seven thousand, nine hundred ninety-eight".