72482081 has 8 divisors (see below), whose sum is σ = 82920960. Its totient is φ = 62064288.

The previous prime is 72482077. The next prime is 72482083. The reversal of 72482081 is 18028427.

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 72482081 - 2² = 72482077 is a prime.

It is a super-2 number, since 2×72482081² = 10507304132181122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72482083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2960 + ... + 12398.

It is an arithmetic number, because the mean of its divisors is an integer number (10365120).

Almost surely, 2^72482081 is an apocalyptic number.

It is an amenable number.

72482081 is a deficient number, since it is larger than the sum of its proper divisors (10438879).

72482081 is a wasteful number, since it uses less digits than its factorization.

72482081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 72482081 is about 8513.6408780263. The cubic root of 72482081 is about 416.9431897412.

The spelling of 72482081 in words is "seventy-two million, four hundred eighty-two thousand, eighty-one".