6477478 has 8 divisors (see below), whose sum is σ = 11104272. Its totient is φ = 2776056.

The previous prime is 6477463. The next prime is 6477487. The reversal of 6477478 is 8747746.

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, 231325 + ... + 231352.

It is an arithmetic number, because the mean of its divisors is an integer number (1388034).

Almost surely, 2^6477478 is an apocalyptic number.

6477478 is a deficient number, since it is larger than the sum of its proper divisors (4626794).

6477478 is a wasteful number, since it uses less digits than its factorization.

6477478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462686.

The product of its digits is 263424, while the sum is 43.

The square root of 6477478 is about 2545.0889964793. The cubic root of 6477478 is about 186.4097606744.

The spelling of 6477478 in words is "six million, four hundred seventy-seven thousand, four hundred seventy-eight".