6657474 has 8 divisors (see below), whose sum is σ = 13314960. Its totient is φ = 2219156.

The previous prime is 6657473. The next prime is 6657517. The reversal of 6657474 is 4747566.

It is a sphenic number, since it is the product of 3 distinct primes.

6657474 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (6657473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554784 + ... + 554795.

It is an arithmetic number, because the mean of its divisors is an integer number (1664370).

Almost surely, 2^6657474 is an apocalyptic number.

6657474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6657474 is a wasteful number, since it uses less digits than its factorization.

6657474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109584.

The product of its digits is 141120, while the sum is 39.

The square root of 6657474 is about 2580.2081311398. The cubic root of 6657474 is about 188.1206596792.

The spelling of 6657474 in words is "six million, six hundred fifty-seven thousand, four hundred seventy-four".