1065308272 has 80 divisors (see below), whose sum is σ = 2474216640. Its totient is φ = 434681856.

The previous prime is 1065308269. The next prime is 1065308287. The reversal of 1065308272 is 2728035601.

It is a happy number.

It is a super-2 number, since 2×1065308272² = 2269763428783251968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234858 + ... + 239350.

It is an arithmetic number, because the mean of its divisors is an integer number (30927708).

Almost surely, 2^1065308272 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 1065308272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1237108320).

1065308272 is an abundant number, since it is smaller than the sum of its proper divisors (1408908368).

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

1065308272 is a wasteful number, since it uses less digits than its factorization.

1065308272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610 (or 4604 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1065308272 is about 32639.0605256953. The cubic root of 1065308272 is about 1021.3119961745.

The spelling of 1065308272 in words is "one billion, sixty-five million, three hundred eight thousand, two hundred seventy-two".