7152273021 has 4 divisors (see below), whose sum is σ = 9536364032. Its totient is φ = 4768182012.

The previous prime is 7152273019. The next prime is 7152273059. The reversal of 7152273021 is 1203722517.

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 7152273021 - 2¹ = 7152273019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7152273021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7152275021) 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, 1192045501 + ... + 1192045506.

It is an arithmetic number, because the mean of its divisors is an integer number (2384091008).

Almost surely, 2^7152273021 is an apocalyptic number.

It is an amenable number.

7152273021 is a deficient number, since it is larger than the sum of its proper divisors (2384091011).

7152273021 is a wasteful number, since it uses less digits than its factorization.

7152273021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384091010.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 7152273021 is about 84571.1122133320. The cubic root of 7152273021 is about 1926.7026501816.

Adding to 7152273021 its reverse (1203722517), we get a palindrome (8355995538).

The spelling of 7152273021 in words is "seven billion, one hundred fifty-two million, two hundred seventy-three thousand, twenty-one".