6478707 has 8 divisors (see below), whose sum is σ = 8650384. Its totient is φ = 4313088.

The previous prime is 6478673. The next prime is 6478723. The reversal of 6478707 is 7078746.

It is a happy number.

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

It is not a de Polignac number, because 6478707 - 2⁷ = 6478579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6478757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2523 + ... + 4395.

It is an arithmetic number, because the mean of its divisors is an integer number (1081298).

Almost surely, 2^6478707 is an apocalyptic number.

6478707 is a deficient number, since it is larger than the sum of its proper divisors (2171677).

6478707 is a wasteful number, since it uses less digits than its factorization.

6478707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 6478707 is about 2545.3304304157. The cubic root of 6478707 is about 186.4215493730.

Adding to 6478707 its sum of digits (39), we get a palindrome (6478746).

The spelling of 6478707 in words is "six million, four hundred seventy-eight thousand, seven hundred seven".