667479024 has 180 divisors, whose sum is σ = 2035952776. Its totient is φ = 203986944.

The previous prime is 667479017. The next prime is 667479047. The reversal of 667479024 is 420974766.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 1789302 + ... + 1789674.

Almost surely, 2^667479024 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 667479024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017976388).

667479024 is an abundant number, since it is smaller than the sum of its proper divisors (1368473752).

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

667479024 is a wasteful number, since it uses less digits than its factorization.

667479024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 667479024 is about 25835.6154174813. The cubic root of 667479024 is about 873.9351504579.

The spelling of 667479024 in words is "six hundred sixty-seven million, four hundred seventy-nine thousand, twenty-four".