6738478 has 8 divisors (see below), whose sum is σ = 10124568. Its totient is φ = 3363624.

The previous prime is 6738461. The next prime is 6738481. The reversal of 6738478 is 8748376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101 + ... + 3832.

It is an arithmetic number, because the mean of its divisors is an integer number (1265571).

Almost surely, 2^6738478 is an apocalyptic number.

6738478 is a deficient number, since it is larger than the sum of its proper divisors (3386090).

6738478 is a wasteful number, since it uses less digits than its factorization.

6738478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618.

The product of its digits is 225792, while the sum is 43.

The square root of 6738478 is about 2595.8578543518. The cubic root of 6738478 is about 188.8805643134.

The spelling of 6738478 in words is "six million, seven hundred thirty-eight thousand, four hundred seventy-eight".