72060481 has 4 divisors (see below), whose sum is σ = 72094932. Its totient is φ = 72026032.

The previous prime is 72060479. The next prime is 72060503. The reversal of 72060481 is 18406027.

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 62964225 + 9096256 = 7935^2 + 3016^2 .

It is a cyclic number.

It is not a de Polignac number, because 72060481 - 2¹ = 72060479 is a prime.

It is a super-2 number, since 2×72060481² = 10385425843902722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72060421) 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 3 ways as a sum of consecutive naturals, for example, 13870 + ... + 18343.

It is an arithmetic number, because the mean of its divisors is an integer number (18023733).

Almost surely, 2^72060481 is an apocalyptic number.

It is an amenable number.

72060481 is a deficient number, since it is larger than the sum of its proper divisors (34451).

72060481 is a wasteful number, since it uses less digits than its factorization.

72060481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34450.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 72060481 is about 8488.8445032289. The cubic root of 72060481 is about 416.1332186289.

The spelling of 72060481 in words is "seventy-two million, sixty thousand, four hundred eighty-one".