667710036 has 72 divisors (see below), whose sum is σ = 1995477120. Its totient is φ = 184193856.

The previous prime is 667710031. The next prime is 667710077. The reversal of 667710036 is 630017766.

667710036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667710031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38376 + ... + 52991.

It is an arithmetic number, because the mean of its divisors is an integer number (27714960).

Almost surely, 2^667710036 is an apocalyptic number.

It is an amenable number.

667710036 is an abundant number, since it is smaller than the sum of its proper divisors (1327767084).

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

667710036 is a wasteful number, since it uses less digits than its factorization.

667710036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91413 (or 91408 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 667710036 is about 25840.0858357707. The cubic root of 667710036 is about 874.0359607272.

The spelling of 667710036 in words is "six hundred sixty-seven million, seven hundred ten thousand, thirty-six".