667047414 has 64 divisors (see below), whose sum is σ = 1484034048. Its totient is φ = 198189600.

The previous prime is 667047391. The next prime is 667047439. The reversal of 667047414 is 414740766.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1325887 + ... + 1326389.

It is an arithmetic number, because the mean of its divisors is an integer number (23188032).

Almost surely, 2^667047414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667047414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742017024).

667047414 is an abundant number, since it is smaller than the sum of its proper divisors (816986634).

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

667047414 is a wasteful number, since it uses less digits than its factorization.

667047414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 667047414 is about 25827.2610626834. The cubic root of 667047414 is about 873.7467398021.

The spelling of 667047414 in words is "six hundred sixty-seven million, forty-seven thousand, four hundred fourteen".