7214272081 has 4 divisors (see below), whose sum is σ = 7214967664. Its totient is φ = 7213576500.

The previous prime is 7214272061. The next prime is 7214272111. The reversal of 7214272081 is 1802724127.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 7214272081 - 2¹¹ = 7214270033 is a prime.

It is a super-2 number, since 2×7214272081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7214272001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331995 + ... + 353056.

It is an arithmetic number, because the mean of its divisors is an integer number (1803741916).

Almost surely, 2^7214272081 is an apocalyptic number.

It is an amenable number.

7214272081 is a deficient number, since it is larger than the sum of its proper divisors (695583).

7214272081 is a wasteful number, since it uses less digits than its factorization.

7214272081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695582.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 7214272081 is about 84936.8711514617. The cubic root of 7214272081 is about 1932.2538106889.

The spelling of 7214272081 in words is "seven billion, two hundred fourteen million, two hundred seventy-two thousand, eighty-one".