72441608 has 8 divisors (see below), whose sum is σ = 135828030. Its totient is φ = 36220800.

The previous prime is 72441599. The next prime is 72441643. The reversal of 72441608 is 80614427.

It can be written as a sum of positive squares in only one way, i.e., 62694724 + 9746884 = 7918^2 + 3122^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4527593 + ... + 4527608.

Almost surely, 2^72441608 is an apocalyptic number.

It is an amenable number.

72441608 is a deficient number, since it is larger than the sum of its proper divisors (63386422).

72441608 is a wasteful number, since it uses less digits than its factorization.

72441608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9055207 (or 9055203 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 72441608 is about 8511.2635959651. The cubic root of 72441608 is about 416.8655701724.

The spelling of 72441608 in words is "seventy-two million, four hundred forty-one thousand, six hundred eight".