72368447 has 8 divisors (see below), whose sum is σ = 73664640. Its totient is φ = 71082520.

The previous prime is 72368437. The next prime is 72368467. The reversal of 72368447 is 74486327.

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 72368447 - 2¹² = 72364351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72368407) 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, 12422 + ... + 17292.

It is an arithmetic number, because the mean of its divisors is an integer number (9208080).

Almost surely, 2^72368447 is an apocalyptic number.

72368447 is a deficient number, since it is larger than the sum of its proper divisors (1296193).

72368447 is a wasteful number, since it uses less digits than its factorization.

72368447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133.

The product of its digits is 225792, while the sum is 41.

The square root of 72368447 is about 8506.9646173003. The cubic root of 72368447 is about 416.7251877981.

The spelling of 72368447 in words is "seventy-two million, three hundred sixty-eight thousand, four hundred forty-seven".