6672440 has 32 divisors (see below), whose sum is σ = 15500160. Its totient is φ = 2582400.

The previous prime is 6672433. The next prime is 6672467. The reversal of 6672440 is 442766.

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, 1451 + ... + 3930.

It is an arithmetic number, because the mean of its divisors is an integer number (484380).

Almost surely, 2^6672440 is an apocalyptic number.

It is an amenable number.

6672440 is an abundant number, since it is smaller than the sum of its proper divisors (8827720).

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

6672440 is a wasteful number, since it uses less digits than its factorization.

6672440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423 (or 5419 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 6672440 is about 2583.1066567217. The cubic root of 6672440 is about 188.2615192475.

The spelling of 6672440 in words is "six million, six hundred seventy-two thousand, four hundred forty".