6880749 has 8 divisors (see below), whose sum is σ = 9573312. Its totient is φ = 4387680.

The previous prime is 6880721. The next prime is 6880771. The reversal of 6880749 is 9470886.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6880749 - 2⁸ = 6880493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6880749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49792 + ... + 49929.

It is an arithmetic number, because the mean of its divisors is an integer number (1196664).

Almost surely, 2^6880749 is an apocalyptic number.

6880749 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

6880749 is a deficient number, since it is larger than the sum of its proper divisors (2692563).

6880749 is a wasteful number, since it uses less digits than its factorization.

6880749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99747.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 6880749 is about 2623.1181826216. The cubic root of 6880749 is about 190.2006099045.

The spelling of 6880749 in words is "six million, eight hundred eighty thousand, seven hundred forty-nine".