72234671 has 4 divisors (see below), whose sum is σ = 72396000. Its totient is φ = 72073344.

The previous prime is 72234647. The next prime is 72234691. The reversal of 72234671 is 17643227.

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 72234671 - 2¹⁴ = 72218287 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 (72234611) 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, 79991 + ... + 80888.

It is an arithmetic number, because the mean of its divisors is an integer number (18099000).

Almost surely, 2^72234671 is an apocalyptic number.

72234671 is a deficient number, since it is larger than the sum of its proper divisors (161329).

72234671 is a wasteful number, since it uses less digits than its factorization.

72234671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161328.

The product of its digits is 14112, while the sum is 32.

The square root of 72234671 is about 8499.0982462847. The cubic root of 72234671 is about 416.4682516283.

Adding to 72234671 its reverse (17643227), we get a palindrome (89877898).

The spelling of 72234671 in words is "seventy-two million, two hundred thirty-four thousand, six hundred seventy-one".