72131041 has 8 divisors (see below), whose sum is σ = 73785600. Its totient is φ = 70481568.

The previous prime is 72131021. The next prime is 72131053. The reversal of 72131041 is 14013127.

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 72131041 - 2⁵ = 72131009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72131021) 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, 50860 + ... + 52258.

It is an arithmetic number, because the mean of its divisors is an integer number (9223200).

Almost surely, 2^72131041 is an apocalyptic number.

It is an amenable number.

72131041 is a deficient number, since it is larger than the sum of its proper divisors (1654559).

72131041 is a wasteful number, since it uses less digits than its factorization.

72131041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 72131041 is about 8492.9995290239. Note that the first 3 decimals coincide. The cubic root of 72131041 is about 416.2689970799.

Adding to 72131041 its reverse (14013127), we get a palindrome (86144168).

The spelling of 72131041 in words is "seventy-two million, one hundred thirty-one thousand, forty-one".