72124060 has 24 divisors (see below), whose sum is σ = 151650576. Its totient is φ = 28813440.

The previous prime is 72124051. The next prime is 72124069. The reversal of 72124060 is 6042127.

It is an interprime number because it is at equal distance from previous prime (72124051) and next prime (72124069).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72124069) 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, 18915 + ... + 22405.

It is an arithmetic number, because the mean of its divisors is an integer number (6318774).

Almost surely, 2^72124060 is an apocalyptic number.

It is an amenable number.

72124060 is an abundant number, since it is smaller than the sum of its proper divisors (79526516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72124060 is a wasteful number, since it uses less digits than its factorization.

72124060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533 (or 4531 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 72124060 is about 8492.5885335391. The cubic root of 72124060 is about 416.2555675051.

Adding to 72124060 its reverse (6042127), we get a palindrome (78166187).

The spelling of 72124060 in words is "seventy-two million, one hundred twenty-four thousand, sixty".