65272206 has 32 divisors (see below), whose sum is σ = 136620288. Its totient is φ = 20750400.

The previous prime is 65272189. The next prime is 65272211. The reversal of 65272206 is 60227256.

65272206 is nontrivially palindromic in base 5.

It is a super-2 number, since 2×65272206² = 8520921752212872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82545 + ... + 83331.

It is an arithmetic number, because the mean of its divisors is an integer number (4269384).

Almost surely, 2^65272206 is an apocalyptic number.

65272206 is an abundant number, since it is smaller than the sum of its proper divisors (71348082).

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

65272206 is a wasteful number, since it uses less digits than its factorization.

65272206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 65272206 is about 8079.1216106703. The cubic root of 65272206 is about 402.6330586409.

The spelling of 65272206 in words is "sixty-five million, two hundred seventy-two thousand, two hundred six".