670047744 has 80 divisors (see below), whose sum is σ = 1791313920. Its totient is φ = 222566400.

The previous prime is 670047739. The next prime is 670047767. The reversal of 670047744 is 447740076.

It is a congruent 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, 581569 + ... + 582719.

It is an arithmetic number, because the mean of its divisors is an integer number (22391424).

Almost surely, 2^670047744 is an apocalyptic number.

670047744 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670047744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (895656960).

670047744 is an abundant number, since it is smaller than the sum of its proper divisors (1121266176).

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

670047744 is a wasteful number, since it uses less digits than its factorization.

670047744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 39.

The square root of 670047744 is about 25885.2804504800. The cubic root of 670047744 is about 875.0547966771.

The spelling of 670047744 in words is "six hundred seventy million, forty-seven thousand, seven hundred forty-four".