670787248 has 40 divisors (see below), whose sum is σ = 1370993600. Its totient is φ = 317058624.

The previous prime is 670787213. The next prime is 670787279. The reversal of 670787248 is 842787076.

It is a happy number.

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, 156883 + ... + 161101.

It is an arithmetic number, because the mean of its divisors is an integer number (34274840).

Almost surely, 2^670787248 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 670787248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685496800).

670787248 is an abundant number, since it is smaller than the sum of its proper divisors (700206352).

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

670787248 is a wasteful number, since it uses less digits than its factorization.

670787248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4769 (or 4763 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 49.

The square root of 670787248 is about 25899.5607684764. The cubic root of 670787248 is about 875.3765989230.

The spelling of 670787248 in words is "six hundred seventy million, seven hundred eighty-seven thousand, two hundred forty-eight".