671025536 has 32 divisors (see below), whose sum is σ = 1345363680. Its totient is φ = 333365760.

The previous prime is 671025503. The next prime is 671025541. The reversal of 671025536 is 635520176.

671025536 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 (32).

It is a junction number, because it is equal to n+sod(n) for n = 671025496 and 671025505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3401 + ... + 36791.

It is an arithmetic number, because the mean of its divisors is an integer number (42042615).

Almost surely, 2^671025536 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 671025536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672681840).

671025536 is an abundant number, since it is smaller than the sum of its proper divisors (674338144).

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

671025536 is a wasteful number, since it uses less digits than its factorization.

671025536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33562 (or 33550 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 671025536 is about 25904.1605924608. The cubic root of 671025536 is about 875.4802418415.

The spelling of 671025536 in words is "six hundred seventy-one million, twenty-five thousand, five hundred thirty-six".