72086847 has 8 divisors (see below), whose sum is σ = 109846656. Its totient is φ = 41192472.

The previous prime is 72086809. The next prime is 72086857. The reversal of 72086847 is 74868027.

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

It is not a de Polignac number, because 72086847 - 2⁸ = 72086591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72086799 and 72086808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72086857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716333 + ... + 1716374.

It is an arithmetic number, because the mean of its divisors is an integer number (13730832).

Almost surely, 2^72086847 is an apocalyptic number.

72086847 is a deficient number, since it is larger than the sum of its proper divisors (37759809).

72086847 is a wasteful number, since it uses less digits than its factorization.

72086847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432717.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 72086847 is about 8490.3973405254. The cubic root of 72086847 is about 416.1839650316.

The spelling of 72086847 in words is "seventy-two million, eighty-six thousand, eight hundred forty-seven".