670866048 has 192 divisors, whose sum is σ = 2047874400. Its totient is φ = 210438144.

The previous prime is 670866043. The next prime is 670866059. The reversal of 670866048 is 840668076.

It is a happy number.

670866048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×670866048² = 900122508718276608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 670865994 and 670866012.

It is not an unprimeable number, because it can be changed into a prime (670866043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1436311 + ... + 1436777.

Almost surely, 2^670866048 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 670866048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023937200).

670866048 is an abundant number, since it is smaller than the sum of its proper divisors (1377008352).

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

670866048 is a wasteful number, since it uses less digits than its factorization.

670866048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 670866048 is about 25901.0819851218. The cubic root of 670866048 is about 875.4108755511.

The spelling of 670866048 in words is "six hundred seventy million, eight hundred sixty-six thousand, forty-eight".