72134241 has 16 divisors (see below), whose sum is σ = 104509440. Its totient is φ = 44087760.

The previous prime is 72134239. The next prime is 72134243. The reversal of 72134241 is 14243127.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72134239) and next prime (72134243).

It is not a de Polignac number, because 72134241 - 2¹ = 72134239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72134243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18645 + ... + 22178.

It is an arithmetic number, because the mean of its divisors is an integer number (6531840).

Almost surely, 2^72134241 is an apocalyptic number.

It is an amenable number.

72134241 is a deficient number, since it is larger than the sum of its proper divisors (32375199).

72134241 is a wasteful number, since it uses less digits than its factorization.

72134241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40876.

The product of its digits is 1344, while the sum is 24.

The square root of 72134241 is about 8493.1879173841. The cubic root of 72134241 is about 416.2751527334.

Adding to 72134241 its reverse (14243127), we get a palindrome (86377368).

The spelling of 72134241 in words is "seventy-two million, one hundred thirty-four thousand, two hundred forty-one".