130072443 has 4 divisors (see below), whose sum is σ = 173429928. Its totient is φ = 86714960.

The previous prime is 130072433. The next prime is 130072469. The reversal of 130072443 is 344270031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130072443 - 2¹⁶ = 130006907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130072433) 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, 21678738 + ... + 21678743.

It is an arithmetic number, because the mean of its divisors is an integer number (43357482).

Almost surely, 2^130072443 is an apocalyptic number.

130072443 is a deficient number, since it is larger than the sum of its proper divisors (43357485).

130072443 is an equidigital number, since it uses as much as digits as its factorization.

130072443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43357484.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 130072443 is about 11404.9306442433. The cubic root of 130072443 is about 506.6737822658.

The spelling of 130072443 in words is "one hundred thirty million, seventy-two thousand, four hundred forty-three".