66272602 has 16 divisors (see below), whose sum is σ = 109058400. Its totient is φ = 29953840.

The previous prime is 66272599. The next prime is 66272603. The reversal of 66272602 is 20627266.

It is not an unprimeable number, because it can be changed into a prime (66272603) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4477 + ... + 12352.

It is an arithmetic number, because the mean of its divisors is an integer number (6816150).

Almost surely, 2^66272602 is an apocalyptic number.

66272602 is a deficient number, since it is larger than the sum of its proper divisors (42785798).

66272602 is a wasteful number, since it uses less digits than its factorization.

66272602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17021.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 66272602 is about 8140.7986094732. The cubic root of 66272602 is about 404.6796267367.

Adding to 66272602 its reverse (20627266), we get a palindrome (86899868).

It can be divided in two parts, 6627 and 2602, that added together give a palindrome (9229).

The spelling of 66272602 in words is "sixty-six million, two hundred seventy-two thousand, six hundred two".