72889356 has 24 divisors (see below), whose sum is σ = 170213680. Its totient is φ = 24276672.

The previous prime is 72889351. The next prime is 72889357. The reversal of 72889356 is 65398827.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (72889351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25890 + ... + 28566.

Almost surely, 2^72889356 is an apocalyptic number.

It is an amenable number.

72889356 is an abundant number, since it is smaller than the sum of its proper divisors (97324324).

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

72889356 is a wasteful number, since it uses less digits than its factorization.

72889356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953 (or 4951 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 72889356 is about 8537.5263396373. The cubic root of 72889356 is about 417.7226627304.

The spelling of 72889356 in words is "seventy-two million, eight hundred eighty-nine thousand, three hundred fifty-six".