6742678 has 4 divisors (see below), whose sum is σ = 10114020. Its totient is φ = 3371338.

The previous prime is 6742651. The next prime is 6742691. The reversal of 6742678 is 8762476.

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

It is a super-2 number, since 2×6742678² = 90927413223368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6742678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1685668 + ... + 1685671.

It is an arithmetic number, because the mean of its divisors is an integer number (2528505).

Almost surely, 2^6742678 is an apocalyptic number.

6742678 is a deficient number, since it is larger than the sum of its proper divisors (3371342).

6742678 is a wasteful number, since it uses less digits than its factorization.

6742678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371341.

The product of its digits is 112896, while the sum is 40.

The square root of 6742678 is about 2596.6667094566. Note that the first 3 decimals coincide. The cubic root of 6742678 is about 188.9197983763.

The spelling of 6742678 in words is "six million, seven hundred forty-two thousand, six hundred seventy-eight".