670794048 has 140 divisors (see below), whose sum is σ = 2013691680. Its totient is φ = 220762368.

The previous prime is 670794029. The next prime is 670794067. The reversal of 670794048 is 840497076.

It is an interprime number because it is at equal distance from previous prime (670794029) and next prime (670794067).

It is a junction number, because it is equal to n+sod(n) for n = 670793994 and 670794012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 429493 + ... + 431051.

It is an arithmetic number, because the mean of its divisors is an integer number (14383512).

Almost surely, 2^670794048 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 670794048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006845840).

670794048 is an abundant number, since it is smaller than the sum of its proper divisors (1342897632).

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

670794048 is a wasteful number, since it uses less digits than its factorization.

670794048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 670794048 is about 25899.6920445012. The cubic root of 670794048 is about 875.3795569105.

The spelling of 670794048 in words is "six hundred seventy million, seven hundred ninety-four thousand, forty-eight".