667710048 has 24 divisors (see below), whose sum is σ = 1752739128. Its totient is φ = 222569984.

The previous prime is 667710031. The next prime is 667710077. The reversal of 667710048 is 840017766.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 667709988 and 667710015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3477561 + ... + 3477752.

It is an arithmetic number, because the mean of its divisors is an integer number (73030797).

Almost surely, 2^667710048 is an apocalyptic number.

It is an amenable number.

667710048 is an abundant number, since it is smaller than the sum of its proper divisors (1085029080).

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

667710048 is a wasteful number, since it uses less digits than its factorization.

667710048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955326 (or 6955318 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 667710048 is about 25840.0860679681. The cubic root of 667710048 is about 874.0359659632.

The spelling of 667710048 in words is "six hundred sixty-seven million, seven hundred ten thousand, forty-eight".