6742224 has 40 divisors (see below), whose sum is σ = 19353920. Its totient is φ = 2247264.

The previous prime is 6742213. The next prime is 6742237. The reversal of 6742224 is 4222476.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7372 + ... + 8235.

It is an arithmetic number, because the mean of its divisors is an integer number (483848).

Almost surely, 2^6742224 is an apocalyptic number.

It is an amenable number.

6742224 is an abundant number, since it is smaller than the sum of its proper divisors (12611696).

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

6742224 is a wasteful number, since it uses less digits than its factorization.

6742224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15624 (or 15612 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 6742224 is about 2596.5792882175. The cubic root of 6742224 is about 188.9155581465.

The spelling of 6742224 in words is "six million, seven hundred forty-two thousand, two hundred twenty-four".