789272728 has 32 divisors (see below), whose sum is σ = 1496950560. Its totient is φ = 390113280.

The previous prime is 789272723. The next prime is 789272777. The reversal of 789272728 is 827272987.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789272723) 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, 256318 + ... + 259378.

It is an arithmetic number, because the mean of its divisors is an integer number (46779705).

Almost surely, 2^789272728 is an apocalyptic number.

It is an amenable number.

789272728 is a deficient number, since it is larger than the sum of its proper divisors (707677832).

789272728 is a wasteful number, since it uses less digits than its factorization.

789272728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427 (or 3423 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 52.

The square root of 789272728 is about 28093.9980778813. The cubic root of 789272728 is about 924.1497823814.

The spelling of 789272728 in words is "seven hundred eighty-nine million, two hundred seventy-two thousand, seven hundred twenty-eight".