72016448 has 28 divisors (see below), whose sum is σ = 163324032. Its totient is φ = 30864000.

The previous prime is 72016447. The next prime is 72016481. The reversal of 72016448 is 84461027.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (72016447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79928 + ... + 80823.

Almost surely, 2^72016448 is an apocalyptic number.

It is an amenable number.

72016448 is an abundant number, since it is smaller than the sum of its proper divisors (91307584).

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

72016448 is a wasteful number, since it uses less digits than its factorization.

72016448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160770 (or 160760 counting only the distinct ones).

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

The square root of 72016448 is about 8486.2505265871. The cubic root of 72016448 is about 416.0484411046.

The spelling of 72016448 in words is "seventy-two million, sixteen thousand, four hundred forty-eight".