671503050 has 72 divisors (see below), whose sum is σ = 1846113984. Its totient is φ = 174898080.

The previous prime is 671503037. The next prime is 671503051. The reversal of 671503050 is 50305176.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (671503051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1999 + ... + 36701.

It is an arithmetic number, because the mean of its divisors is an integer number (25640472).

Almost surely, 2^671503050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671503050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923056992).

671503050 is an abundant number, since it is smaller than the sum of its proper divisors (1174610934).

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

671503050 is a wasteful number, since it uses less digits than its factorization.

671503050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34764 (or 34756 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 671503050 is about 25913.3758896829. The cubic root of 671503050 is about 875.6878618321.

The spelling of 671503050 in words is "six hundred seventy-one million, five hundred three thousand, fifty".