7072254281 has 4 divisors (see below), whose sum is σ = 7072422864. Its totient is φ = 7072085700.

The previous prime is 7072254263. The next prime is 7072254283. The reversal of 7072254281 is 1824522707.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1824522707 = 7 ⋅260646101.

It is a cyclic number.

It is not a de Polignac number, because 7072254281 - 2¹⁴ = 7072237897 is a prime.

It is a super-2 number, since 2×7072254281² (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 (7072254283) 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, 33566 + ... + 123576.

It is an arithmetic number, because the mean of its divisors is an integer number (1768105716).

Almost surely, 2^7072254281 is an apocalyptic number.

It is an amenable number.

7072254281 is a deficient number, since it is larger than the sum of its proper divisors (168583).

7072254281 is an equidigital number, since it uses as much as digits as its factorization.

7072254281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168582.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 7072254281 is about 84096.6960171445. The cubic root of 7072254281 is about 1919.4904500868.

Adding to 7072254281 its reverse (1824522707), we get a palindrome (8896776988).

The spelling of 7072254281 in words is "seven billion, seventy-two million, two hundred fifty-four thousand, two hundred eighty-one".