6880738 has 4 divisors (see below), whose sum is σ = 10321110. Its totient is φ = 3440368.

The previous prime is 6880721. The next prime is 6880771. The reversal of 6880738 is 8370886.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6671889 + 208849 = 2583^2 + 457^2 .

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 6880738.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720183 + ... + 1720186.

Almost surely, 2^6880738 is an apocalyptic number.

6880738 is a deficient number, since it is larger than the sum of its proper divisors (3440372).

6880738 is a wasteful number, since it uses less digits than its factorization.

6880738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440371.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 6880738 is about 2623.1160858795. The cubic root of 6880738 is about 190.2005085489.

The spelling of 6880738 in words is "six million, eight hundred eighty thousand, seven hundred thirty-eight".