6631974 has 12 divisors (see below), whose sum is σ = 14369316. Its totient is φ = 2210652.

The previous prime is 6631951. The next prime is 6631979. The reversal of 6631974 is 4791366.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6631979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184204 + ... + 184239.

It is an arithmetic number, because the mean of its divisors is an integer number (1197443).

Almost surely, 2^6631974 is an apocalyptic number.

6631974 is an abundant number, since it is smaller than the sum of its proper divisors (7737342).

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

6631974 is a wasteful number, since it uses less digits than its factorization.

6631974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368451 (or 368448 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 6631974 is about 2575.2619284259. The cubic root of 6631974 is about 187.8801673340.

The spelling of 6631974 in words is "six million, six hundred thirty-one thousand, nine hundred seventy-four".