65726272 has 28 divisors (see below), whose sum is σ = 136099296. Its totient is φ = 31433600.

The previous prime is 65726251. The next prime is 65726273. The reversal of 65726272 is 27262756.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65726273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20854 + ... + 23797.

Almost surely, 2^65726272 is an apocalyptic number.

It is an amenable number.

65726272 is an abundant number, since it is smaller than the sum of its proper divisors (70373024).

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

65726272 is a wasteful number, since it uses less digits than its factorization.

65726272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44686 (or 44676 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 65726272 is about 8107.1741069253. The cubic root of 65726272 is about 403.5645407668.

The spelling of 65726272 in words is "sixty-five million, seven hundred twenty-six thousand, two hundred seventy-two".