65725296 has 160 divisors (see below), whose sum is σ = 214652928. Its totient is φ = 16865280.

The previous prime is 65725277. The next prime is 65725321. The reversal of 65725296 is 69252756.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178905 + ... + 179271.

Almost surely, 2^65725296 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 65725296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107326464).

65725296 is an abundant number, since it is smaller than the sum of its proper divisors (148927632).

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

65725296 is a wasteful number, since it uses less digits than its factorization.

65725296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 433 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 65725296 is about 8107.1139131013. The cubic root of 65725296 is about 403.5625431844.

The spelling of 65725296 in words is "sixty-five million, seven hundred twenty-five thousand, two hundred ninety-six".