667707468 has 24 divisors (see below), whose sum is σ = 1595984880. Its totient is φ = 217140480.

The previous prime is 667707431. The next prime is 667707473. The reversal of 667707468 is 864707766.

It is a self number, because there is not a number n which added to its sum of digits gives 667707468.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678073 + ... + 679056.

It is an arithmetic number, because the mean of its divisors is an integer number (66499370).

Almost surely, 2^667707468 is an apocalyptic number.

It is an amenable number.

667707468 is an abundant number, since it is smaller than the sum of its proper divisors (928277412).

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

667707468 is a wasteful number, since it uses less digits than its factorization.

667707468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357177 (or 1357175 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 51.

The square root of 667707468 is about 25840.0361454856. The cubic root of 667707468 is about 874.0348402172.

The spelling of 667707468 in words is "six hundred sixty-seven million, seven hundred seven thousand, four hundred sixty-eight".