671203072 has 72 divisors (see below), whose sum is σ = 1401039360. Its totient is φ = 320547840.

The previous prime is 671203021. The next prime is 671203111. The reversal of 671203072 is 270302176.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 671203072.

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, 658179 + ... + 659197.

It is an arithmetic number, because the mean of its divisors is an integer number (19458880).

Almost surely, 2^671203072 is an apocalyptic number.

671203072 is a gapful number since it is divisible by the number (62) 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 671203072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700519680).

671203072 is an abundant number, since it is smaller than the sum of its proper divisors (729836288).

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

671203072 is a wasteful number, since it uses less digits than its factorization.

671203072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 671203072 is about 25907.5871512574. The cubic root of 671203072 is about 875.5574448421.

The spelling of 671203072 in words is "six hundred seventy-one million, two hundred three thousand, seventy-two".