6667506 has 48 divisors (see below), whose sum is σ = 15289560. Its totient is φ = 2096640.

The previous prime is 6667487. The next prime is 6667523. The reversal of 6667506 is 6057666.

It can be written as a sum of positive squares in 4 ways, for example, as 6548481 + 119025 = 2559^2 + 345^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27546 + ... + 27786.

Almost surely, 2^6667506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6667506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7644780).

6667506 is an abundant number, since it is smaller than the sum of its proper divisors (8622054).

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

6667506 is a wasteful number, since it uses less digits than its factorization.

6667506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 6667506 is about 2582.1514285572. The cubic root of 6667506 is about 188.2151038738.

The spelling of 6667506 in words is "six million, six hundred sixty-seven thousand, five hundred six".