72888396 has 24 divisors (see below), whose sum is σ = 194369280. Its totient is φ = 20825232.

The previous prime is 72888379. The next prime is 72888407. The reversal of 72888396 is 69388827.

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, 433776 + ... + 433943.

It is an arithmetic number, because the mean of its divisors is an integer number (8098720).

Almost surely, 2^72888396 is an apocalyptic number.

It is an amenable number.

72888396 is an abundant number, since it is smaller than the sum of its proper divisors (121480884).

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

72888396 is a wasteful number, since it uses less digits than its factorization.

72888396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867733 (or 867731 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 72888396 is about 8537.4701170780. The cubic root of 72888396 is about 417.7208288297.

The spelling of 72888396 in words is "seventy-two million, eight hundred eighty-eight thousand, three hundred ninety-six".