7157505273 has 16 divisors (see below), whose sum is σ = 9794839296. Its totient is φ = 4646592720.

The previous prime is 7157505197. The next prime is 7157505281. The reversal of 7157505273 is 3725057517.

It is a happy number.

7157505273 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-7157505273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7157505073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41115 + ... + 126512.

It is an arithmetic number, because the mean of its divisors is an integer number (612177456).

Almost surely, 2^7157505273 is an apocalyptic number.

It is an amenable number.

7157505273 is a deficient number, since it is larger than the sum of its proper divisors (2637334023).

7157505273 is a wasteful number, since it uses less digits than its factorization.

7157505273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168004.

The product of its (nonzero) digits is 257250, while the sum is 42.

The square root of 7157505273 is about 84602.0405959573. The cubic root of 7157505273 is about 1927.1723627009.

The spelling of 7157505273 in words is "seven billion, one hundred fifty-seven million, five hundred five thousand, two hundred seventy-three".