72903248 has 40 divisors (see below), whose sum is σ = 157864896. Its totient is φ = 32326400.

The previous prime is 72903221. The next prime is 72903263. The reversal of 72903248 is 84230927.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2165 + ... + 12267.

Almost surely, 2^72903248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72903248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78932448).

72903248 is an abundant number, since it is smaller than the sum of its proper divisors (84961648).

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

72903248 is a wasteful number, since it uses less digits than its factorization.

72903248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163 (or 10157 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 72903248 is about 8538.3398854813. The cubic root of 72903248 is about 417.7491989991.

The spelling of 72903248 in words is "seventy-two million, nine hundred three thousand, two hundred forty-eight".