60712221 has 4 divisors (see below), whose sum is σ = 80949632. Its totient is φ = 40474812.

The previous prime is 60712213. The next prime is 60712243. The reversal of 60712221 is 12221706.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 60712221 - 2³ = 60712213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60712261) 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, 10118701 + ... + 10118706.

It is an arithmetic number, because the mean of its divisors is an integer number (20237408).

Almost surely, 2^60712221 is an apocalyptic number.

It is an amenable number.

60712221 is a deficient number, since it is larger than the sum of its proper divisors (20237411).

60712221 is a wasteful number, since it uses less digits than its factorization.

60712221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20237410.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 60712221 is about 7791.8047331796. The cubic root of 60712221 is about 393.0297033535.

Adding to 60712221 its reverse (12221706), we get a palindrome (72933927).

It can be divided in two parts, 607 and 12221, that multiplied together give a palindrome (7418147).

The spelling of 60712221 in words is "sixty million, seven hundred twelve thousand, two hundred twenty-one".