671750120 has 16 divisors (see below), whose sum is σ = 1511437860. Its totient is φ = 268700032.

The previous prime is 671750089. The next prime is 671750153. The reversal of 671750120 is 21057176.

It can be written as a sum of positive squares in 2 ways, for example, as 671742724 + 7396 = 25918^2 + 86^2 .

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, 8396837 + ... + 8396916.

Almost surely, 2^671750120 is an apocalyptic number.

It is an amenable number.

671750120 is an abundant number, since it is smaller than the sum of its proper divisors (839687740).

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

671750120 is a wasteful number, since it uses less digits than its factorization.

671750120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16793764 (or 16793760 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 671750120 is about 25918.1426803697. The cubic root of 671750120 is about 875.7952476289.

The spelling of 671750120 in words is "six hundred seventy-one million, seven hundred fifty thousand, one hundred twenty".