130717672 has 8 divisors (see below), whose sum is σ = 245095650. Its totient is φ = 65358832.

The previous prime is 130717661. The next prime is 130717673. The reversal of 130717672 is 276717031.

It can be written as a sum of positive squares in only one way, i.e., 107039716 + 23677956 = 10346^2 + 4866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (130717673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8169847 + ... + 8169862.

Almost surely, 2^130717672 is an apocalyptic number.

It is an amenable number.

130717672 is a deficient number, since it is larger than the sum of its proper divisors (114377978).

130717672 is a wasteful number, since it uses less digits than its factorization.

130717672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16339715 (or 16339711 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 130717672 is about 11433.1829338990. The cubic root of 130717672 is about 507.5101919055.

The spelling of 130717672 in words is "one hundred thirty million, seven hundred seventeen thousand, six hundred seventy-two".