667095472 has 40 divisors (see below), whose sum is σ = 1370398400. Its totient is φ = 313699392.

The previous prime is 667095467. The next prime is 667095509. The reversal of 667095472 is 274590766.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34363 + ... + 50149.

It is an arithmetic number, because the mean of its divisors is an integer number (34259960).

Almost surely, 2^667095472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667095472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685199200).

667095472 is an abundant number, since it is smaller than the sum of its proper divisors (703302928).

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

667095472 is a wasteful number, since it uses less digits than its factorization.

667095472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15953 (or 15947 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 667095472 is about 25828.1914194548. The cubic root of 667095472 is about 873.7677225746.

The spelling of 667095472 in words is "six hundred sixty-seven million, ninety-five thousand, four hundred seventy-two".