72243201 has 8 divisors (see below), whose sum is σ = 96421824. Its totient is φ = 48113360.

The previous prime is 72243173. The next prime is 72243221. The reversal of 72243201 is 10234227.

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 72243201 - 2⁶ = 72243137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72243221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8586 + ... + 14771.

It is an arithmetic number, because the mean of its divisors is an integer number (12052728).

Almost surely, 2^72243201 is an apocalyptic number.

It is an amenable number.

72243201 is a deficient number, since it is larger than the sum of its proper divisors (24178623).

72243201 is a wasteful number, since it uses less digits than its factorization.

72243201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24391.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 72243201 is about 8499.6000494141. The cubic root of 72243201 is about 416.4846441921.

Adding to 72243201 its reverse (10234227), we get a palindrome (82477428).

The spelling of 72243201 in words is "seventy-two million, two hundred forty-three thousand, two hundred one".