667334442 has 32 divisors (see below), whose sum is σ = 1387294272. Its totient is φ = 213819264.

The previous prime is 667334441. The next prime is 667334527. The reversal of 667334442 is 244433766.

It is a self number, because there is not a number n which added to its sum of digits gives 667334442.

It is not an unprimeable number, because it can be changed into a prime (667334441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 318 + ... + 36534.

It is an arithmetic number, because the mean of its divisors is an integer number (43352946).

Almost surely, 2^667334442 is an apocalyptic number.

667334442 is an abundant number, since it is smaller than the sum of its proper divisors (719959830).

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

667334442 is a wasteful number, since it uses less digits than its factorization.

667334442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36342.

The product of its digits is 290304, while the sum is 39.

The square root of 667334442 is about 25832.8171518323. The cubic root of 667334442 is about 873.8720451459.

The spelling of 667334442 in words is "six hundred sixty-seven million, three hundred thirty-four thousand, four hundred forty-two".