72232301 has 4 divisors (see below), whose sum is σ = 74723100. Its totient is φ = 69741504.

The previous prime is 72232289. The next prime is 72232333. The reversal of 72232301 is 10323227.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31922500 + 40309801 = 5650^2 + 6349^2 .

It is a cyclic number.

It is not a de Polignac number, because 72232301 - 2¹⁰ = 72231277 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 (72232361) 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, 1245356 + ... + 1245413.

It is an arithmetic number, because the mean of its divisors is an integer number (18680775).

Almost surely, 2^72232301 is an apocalyptic number.

It is an amenable number.

72232301 is a deficient number, since it is larger than the sum of its proper divisors (2490799).

72232301 is a wasteful number, since it uses less digits than its factorization.

72232301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490798.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 72232301 is about 8498.9588185848. The cubic root of 72232301 is about 416.4636968416.

Adding to 72232301 its reverse (10323227), we get a palindrome (82555528).

The spelling of 72232301 in words is "seventy-two million, two hundred thirty-two thousand, three hundred one".