6478237 has 4 divisors (see below), whose sum is σ = 6560320. Its totient is φ = 6396156.

The previous prime is 6478229. The next prime is 6478267. The reversal of 6478237 is 7328746.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6478237 - 2³ = 6478229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6478196 and 6478205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40923 + ... + 41080.

It is an arithmetic number, because the mean of its divisors is an integer number (1640080).

Almost surely, 2^6478237 is an apocalyptic number.

It is an amenable number.

6478237 is a deficient number, since it is larger than the sum of its proper divisors (82083).

6478237 is an equidigital number, since it uses as much as digits as its factorization.

6478237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82082.

The product of its digits is 56448, while the sum is 37.

The square root of 6478237 is about 2545.2381028108. The cubic root of 6478237 is about 186.4170412591.

Subtracting from 6478237 its sum of digits (37), we obtain a triangular number (6478200 = T₃₅₉₉).

The spelling of 6478237 in words is "six million, four hundred seventy-eight thousand, two hundred thirty-seven".