72235328 has 28 divisors (see below), whose sum is σ = 156374592. Its totient is φ = 32833920.

The previous prime is 72235291. The next prime is 72235333. The reversal of 72235328 is 82353227.

It is a super-2 number, since 2×72235328² = 10435885222535168, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 72235294 and 72235303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50600 + ... + 52007.

Almost surely, 2^72235328 is an apocalyptic number.

It is an amenable number.

72235328 is an abundant number, since it is smaller than the sum of its proper divisors (84139264).

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

72235328 is a wasteful number, since it uses less digits than its factorization.

72235328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102630 (or 102620 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 72235328 is about 8499.1368973561. The cubic root of 72235328 is about 416.4695142667.

The spelling of 72235328 in words is "seventy-two million, two hundred thirty-five thousand, three hundred twenty-eight".