7297127141 has 4 divisors (see below), whose sum is σ = 7726369932. Its totient is φ = 6867884352.

The previous prime is 7297127119. The next prime is 7297127153. The reversal of 7297127141 is 1417217927.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3326867041 + 3970260100 = 57679^2 + 63010^2 .

It is a cyclic number.

It is not a de Polignac number, because 7297127141 - 2⁶ = 7297127077 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 (7297127111) 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, 214621370 + ... + 214621403.

It is an arithmetic number, because the mean of its divisors is an integer number (1931592483).

Almost surely, 2^7297127141 is an apocalyptic number.

It is an amenable number.

7297127141 is a deficient number, since it is larger than the sum of its proper divisors (429242791).

7297127141 is a wasteful number, since it uses less digits than its factorization.

7297127141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429242790.

The product of its digits is 49392, while the sum is 41.

The square root of 7297127141 is about 85423.2236631234. The cubic root of 7297127141 is about 1939.6229065658.

The spelling of 7297127141 in words is "seven billion, two hundred ninety-seven million, one hundred twenty-seven thousand, one hundred forty-one".