7157873 has 2 divisors, whose sum is σ = 7157874. Its totient is φ = 7157872.

The previous prime is 7157863. The next prime is 7157879. The reversal of 7157873 is 3787517.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5793649 + 1364224 = 2407^2 + 1168^2 .

It is a cyclic number.

It is not a de Polignac number, because 7157873 - 2¹⁴ = 7141489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7157879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3578936 + 3578937.

It is an arithmetic number, because the mean of its divisors is an integer number (3578937).

Almost surely, 2^7157873 is an apocalyptic number.

It is an amenable number.

7157873 is a deficient number, since it is larger than the sum of its proper divisors (1).

7157873 is an equidigital number, since it uses as much as digits as its factorization.

7157873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41160, while the sum is 38.

The square root of 7157873 is about 2675.4201539198. The cubic root of 7157873 is about 192.7205365875.

The spelling of 7157873 in words is "seven million, one hundred fifty-seven thousand, eight hundred seventy-three".