7273271157 has 4 divisors (see below), whose sum is σ = 9697694880. Its totient is φ = 4848847436.

The previous prime is 7273271147. The next prime is 7273271171. The reversal of 7273271157 is 7511723727.

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 7273271157 - 2⁷ = 7273271029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7273271147) 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, 1212211857 + ... + 1212211862.

It is an arithmetic number, because the mean of its divisors is an integer number (2424423720).

Almost surely, 2^7273271157 is an apocalyptic number.

It is an amenable number.

7273271157 is a deficient number, since it is larger than the sum of its proper divisors (2424423723).

7273271157 is a wasteful number, since it uses less digits than its factorization.

7273271157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424423722.

The product of its digits is 144060, while the sum is 42.

The square root of 7273271157 is about 85283.4752868338. The cubic root of 7273271157 is about 1937.5069081238.

The spelling of 7273271157 in words is "seven billion, two hundred seventy-three million, two hundred seventy-one thousand, one hundred fifty-seven".