65226728 has 32 divisors (see below), whose sum is σ = 144284160. Its totient is φ = 27051840.

The previous prime is 65226727. The next prime is 65226737. The reversal of 65226728 is 82762256.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 65226691 and 65226700.

It is not an unprimeable number, because it can be changed into a prime (65226727) 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, 17051 + ... + 20522.

It is an arithmetic number, because the mean of its divisors is an integer number (4508880).

Almost surely, 2^65226728 is an apocalyptic number.

It is an amenable number.

65226728 is an abundant number, since it is smaller than the sum of its proper divisors (79057432).

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

65226728 is a wasteful number, since it uses less digits than its factorization.

65226728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37617 (or 37613 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 65226728 is about 8076.3065816003. The cubic root of 65226728 is about 402.5395262290.

The spelling of 65226728 in words is "sixty-five million, two hundred twenty-six thousand, seven hundred twenty-eight".