72130867 has 8 divisors (see below), whose sum is σ = 73058112. Its totient is φ = 71208000.

The previous prime is 72130843. The next prime is 72130873. The reversal of 72130867 is 76803127.

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

It is a cyclic number.

It is not a de Polignac number, because 72130867 - 2⁷ = 72130739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72130837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42703 + ... + 44359.

It is an arithmetic number, because the mean of its divisors is an integer number (9132264).

Almost surely, 2^72130867 is an apocalyptic number.

72130867 is a deficient number, since it is larger than the sum of its proper divisors (927245).

72130867 is a wasteful number, since it uses less digits than its factorization.

72130867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 72130867 is about 8492.9892852870. The cubic root of 72130867 is about 416.2686623610.

The spelling of 72130867 in words is "seventy-two million, one hundred thirty thousand, eight hundred sixty-seven".