667832632 has 8 divisors (see below), whose sum is σ = 1252186200. Its totient is φ = 333916312.

The previous prime is 667832621. The next prime is 667832639. The reversal of 667832632 is 236238766.

667832632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667832639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41739532 + ... + 41739547.

It is an arithmetic number, because the mean of its divisors is an integer number (156523275).

Almost surely, 2^667832632 is an apocalyptic number.

It is an amenable number.

667832632 is a deficient number, since it is larger than the sum of its proper divisors (584353568).

667832632 is a wasteful number, since it uses less digits than its factorization.

667832632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83479085 (or 83479081 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The square root of 667832632 is about 25842.4579326348. The cubic root of 667832632 is about 874.0894503906.

The spelling of 667832632 in words is "six hundred sixty-seven million, eight hundred thirty-two thousand, six hundred thirty-two".