842473 has 2 divisors, whose sum is σ = 842474. Its totient is φ = 842472.

The previous prime is 842449. The next prime is 842477. The reversal of 842473 is 374248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478864 + 363609 = 692^2 + 603^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842473 is a prime.

It is not a weakly prime, because it can be changed into another prime (842477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421236 + 421237.

It is an arithmetic number, because the mean of its divisors is an integer number (421237).

2⁸⁴²⁴⁷³ is an apocalyptic number.

It is an amenable number.

842473 is a deficient number, since it is larger than the sum of its proper divisors (1).

842473 is an equidigital number, since it uses as much as digits as its factorization.

842473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 28.

The square root of 842473 is about 917.8632795793. The cubic root of 842473 is about 94.4463829924.

The spelling of 842473 in words is "eight hundred forty-two thousand, four hundred seventy-three".