72352847 has 4 divisors (see below), whose sum is σ = 82688976. Its totient is φ = 62016720.

The previous prime is 72352837. The next prime is 72352873. The reversal of 72352847 is 74825327.

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 72352847 - 2²⁰ = 71304271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72352847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72352807) 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, 5168054 + ... + 5168067.

It is an arithmetic number, because the mean of its divisors is an integer number (20672244).

Almost surely, 2^72352847 is an apocalyptic number.

72352847 is a deficient number, since it is larger than the sum of its proper divisors (10336129).

72352847 is a wasteful number, since it uses less digits than its factorization.

72352847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10336128.

The product of its digits is 94080, while the sum is 38.

The square root of 72352847 is about 8506.0476720978. The cubic root of 72352847 is about 416.6952420580.

The spelling of 72352847 in words is "seventy-two million, three hundred fifty-two thousand, eight hundred forty-seven".