6854578 has 4 divisors (see below), whose sum is σ = 10281870. Its totient is φ = 3427288.

The previous prime is 6854563. The next prime is 6854579. The reversal of 6854578 is 8754586.

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., 5919489 + 935089 = 2433^2 + 967^2 .

It is not an unprimeable number, because it can be changed into a prime (6854579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713643 + ... + 1713646.

Almost surely, 2^6854578 is an apocalyptic number.

6854578 is a deficient number, since it is larger than the sum of its proper divisors (3427292).

6854578 is a wasteful number, since it uses less digits than its factorization.

6854578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427291.

The product of its digits is 268800, while the sum is 43.

The square root of 6854578 is about 2618.1249015278. The cubic root of 6854578 is about 189.9591601973.

The spelling of 6854578 in words is "six million, eight hundred fifty-four thousand, five hundred seventy-eight".