671967130 has 8 divisors (see below), whose sum is σ = 1209540852. Its totient is φ = 268786848.

The previous prime is 671967077. The next prime is 671967137. The reversal of 671967130 is 31769176.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 623650729 + 48316401 = 24973^2 + 6951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (671967137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33598347 + ... + 33598366.

Almost surely, 2^671967130 is an apocalyptic number.

671967130 is a deficient number, since it is larger than the sum of its proper divisors (537573722).

671967130 is a wasteful number, since it uses less digits than its factorization.

671967130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67196720.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 671967130 is about 25922.3287919893. The cubic root of 671967130 is about 875.8895465151.

The spelling of 671967130 in words is "six hundred seventy-one million, nine hundred sixty-seven thousand, one hundred thirty".