72841472 has 36 divisors (see below), whose sum is σ = 158622576. Its totient is φ = 33108480.

The previous prime is 72841469. The next prime is 72841499. The reversal of 72841472 is 27414827.

It is a happy number.

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 in 3 ways as a sum of consecutive naturals, for example, 10118 + ... + 15749.

Almost surely, 2^72841472 is an apocalyptic number.

It is an amenable number.

72841472 is an abundant number, since it is smaller than the sum of its proper divisors (85781104).

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

72841472 is a wasteful number, since it uses less digits than its factorization.

72841472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25894 (or 25880 counting only the distinct ones).

The product of its digits is 25088, while the sum is 35.

The square root of 72841472 is about 8534.7215537474. The cubic root of 72841472 is about 417.6311696566.

The spelling of 72841472 in words is "seventy-two million, eight hundred forty-one thousand, four hundred seventy-two".