671670496 has 48 divisors (see below), whose sum is σ = 1515991680. Its totient is φ = 286957440.

The previous prime is 671670481. The next prime is 671670497. The reversal of 671670496 is 694076176.

It is a super-2 number, since 2×671670496² = 902282510393772032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671670497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69615 + ... + 78673.

It is an arithmetic number, because the mean of its divisors is an integer number (31583160).

Almost surely, 2^671670496 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 671670496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757995840).

671670496 is an abundant number, since it is smaller than the sum of its proper divisors (844321184).

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

671670496 is a wasteful number, since it uses less digits than its factorization.

671670496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9407 (or 9399 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 671670496 is about 25916.6065679903. The cubic root of 671670496 is about 875.7606429577.

The spelling of 671670496 in words is "six hundred seventy-one million, six hundred seventy thousand, four hundred ninety-six".