6792778 has 4 divisors (see below), whose sum is σ = 10189170. Its totient is φ = 3396388.

The previous prime is 6792763. The next prime is 6792781. The reversal of 6792778 is 8772976.

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., 6436369 + 356409 = 2537^2 + 597^2 .

It is a super-2 number, since 2×6792778² = 92283665914568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1698193 + ... + 1698196.

Almost surely, 2^6792778 is an apocalyptic number.

6792778 is a deficient number, since it is larger than the sum of its proper divisors (3396392).

6792778 is a wasteful number, since it uses less digits than its factorization.

6792778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396391.

The product of its digits is 296352, while the sum is 46.

The square root of 6792778 is about 2606.2958389254. The cubic root of 6792778 is about 189.3865533730.

It can be divided in two parts, 67 and 92778, that multiplied together give a palindrome (6216126).

The spelling of 6792778 in words is "six million, seven hundred ninety-two thousand, seven hundred seventy-eight".