667072234 has 8 divisors (see below), whose sum is σ = 1015543008. Its totient is φ = 328557900.

The previous prime is 667072213. The next prime is 667072253. The reversal of 667072234 is 432270766.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 667072193 and 667072202.

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 3 ways as a sum of consecutive naturals, for example, 2488942 + ... + 2489209.

It is an arithmetic number, because the mean of its divisors is an integer number (126942876).

Almost surely, 2^667072234 is an apocalyptic number.

667072234 is a deficient number, since it is larger than the sum of its proper divisors (348470774).

667072234 is a wasteful number, since it uses less digits than its factorization.

667072234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978220.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 667072234 is about 25827.7415582548. The cubic root of 667072234 is about 873.7575766755.

The spelling of 667072234 in words is "six hundred sixty-seven million, seventy-two thousand, two hundred thirty-four".