130304072 has 16 divisors (see below), whose sum is σ = 245672700. Its totient is φ = 64791360.

The previous prime is 130304063. The next prime is 130304081. The reversal of 130304072 is 270403031.

It is an interprime number because it is at equal distance from previous prime (130304063) and next prime (130304081).

It can be written as a sum of positive squares in 2 ways, for example, as 100120036 + 30184036 = 10006^2 + 5494^2 .

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, 43547 + ... + 46442.

Almost surely, 2^130304072 is an apocalyptic number.

It is an amenable number.

130304072 is a deficient number, since it is larger than the sum of its proper divisors (115368628).

130304072 is a wasteful number, since it uses less digits than its factorization.

130304072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90176 (or 90172 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 130304072 is about 11415.0809020348. The cubic root of 130304072 is about 506.9743602713.

The spelling of 130304072 in words is "one hundred thirty million, three hundred four thousand, seventy-two".