6807428 has 6 divisors (see below), whose sum is σ = 11913006. Its totient is φ = 3403712.

The previous prime is 6807419. The next prime is 6807457. The reversal of 6807428 is 8247086.

It can be written as a sum of positive squares in only one way, i.e., 5721664 + 1085764 = 2392^2 + 1042^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850925 + ... + 850932.

It is an arithmetic number, because the mean of its divisors is an integer number (1985501).

Almost surely, 2^6807428 is an apocalyptic number.

It is an amenable number.

6807428 is a deficient number, since it is larger than the sum of its proper divisors (5105578).

6807428 is a wasteful number, since it uses less digits than its factorization.

6807428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701861 (or 1701859 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 6807428 is about 2609.1048273306. The cubic root of 6807428 is about 189.5226057507.

The spelling of 6807428 in words is "six million, eight hundred seven thousand, four hundred twenty-eight".