6477534 has 48 divisors (see below), whose sum is σ = 16230240. Its totient is φ = 1828800.

The previous prime is 6477533. The next prime is 6477577. The reversal of 6477534 is 4357746.

6477534 is a `hidden beast` number, since 647 + 7 + 5 + 3 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6477533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12472 + ... + 12980.

It is an arithmetic number, because the mean of its divisors is an integer number (338130).

Almost surely, 2^6477534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6477534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8115120).

6477534 is an abundant number, since it is smaller than the sum of its proper divisors (9752706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6477534 is a wasteful number, since it uses less digits than its factorization.

6477534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 622 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 6477534 is about 2545.0999980354. The cubic root of 6477534 is about 186.4102978648.

The spelling of 6477534 in words is "six million, four hundred seventy-seven thousand, five hundred thirty-four".