6477493 has 24 divisors (see below), whose sum is σ = 7814016. Its totient is φ = 5343360.

The previous prime is 6477491. The next prime is 6477503. The reversal of 6477493 is 3947746.

It is not a de Polignac number, because 6477493 - 2¹ = 6477491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6477491) 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 23 ways as a sum of consecutive naturals, for example, 96646 + ... + 96712.

It is an arithmetic number, because the mean of its divisors is an integer number (325584).

Almost surely, 2^6477493 is an apocalyptic number.

It is an amenable number.

6477493 is a deficient number, since it is larger than the sum of its proper divisors (1336523).

6477493 is a wasteful number, since it uses less digits than its factorization.

6477493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 142 counting only the distinct ones).

The product of its digits is 127008, while the sum is 40.

The square root of 6477493 is about 2545.0919433294. The cubic root of 6477493 is about 186.4099045650.

The spelling of 6477493 in words is "six million, four hundred seventy-seven thousand, four hundred ninety-three".