72084481 has 8 divisors (see below), whose sum is σ = 82592960. Its totient is φ = 61628688.

The previous prime is 72084479. The next prime is 72084491. The reversal of 72084481 is 18448027.

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 72084481 - 2¹ = 72084479 is a prime.

It is a super-2 number, since 2×72084481² = 10392344802078722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72084431) 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, 10191 + ... + 15748.

It is an arithmetic number, because the mean of its divisors is an integer number (10324120).

Almost surely, 2^72084481 is an apocalyptic number.

It is an amenable number.

72084481 is a deficient number, since it is larger than the sum of its proper divisors (10508479).

72084481 is a wasteful number, since it uses less digits than its factorization.

72084481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26343.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 72084481 is about 8490.2580055025. The cubic root of 72084481 is about 416.1794117182.

The spelling of 72084481 in words is "seventy-two million, eighty-four thousand, four hundred eighty-one".