6537428 has 12 divisors (see below), whose sum is σ = 11938080. Its totient is φ = 3126552.

The previous prime is 6537407. The next prime is 6537437. The reversal of 6537428 is 8247356.

It is a happy number.

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, 35438 + ... + 35621.

It is an arithmetic number, because the mean of its divisors is an integer number (994840).

Almost surely, 2^6537428 is an apocalyptic number.

It is an amenable number.

6537428 is a deficient number, since it is larger than the sum of its proper divisors (5400652).

6537428 is a wasteful number, since it uses less digits than its factorization.

6537428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71086 (or 71084 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 6537428 is about 2556.8394552650. The cubic root of 6537428 is about 186.9830787209.

The spelling of 6537428 in words is "six million, five hundred thirty-seven thousand, four hundred twenty-eight".