42473863 has 2 divisors, whose sum is σ = 42473864. Its totient is φ = 42473862.

The previous prime is 42473857. The next prime is 42473867. The reversal of 42473863 is 36837424.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42473863 - 2⁵ = 42473831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42473867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21236931 + 21236932.

It is an arithmetic number, because the mean of its divisors is an integer number (21236932).

Almost surely, 2^42473863 is an apocalyptic number.

42473863 is a deficient number, since it is larger than the sum of its proper divisors (1).

42473863 is an equidigital number, since it uses as much as digits as its factorization.

42473863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 37.

The square root of 42473863 is about 6517.1974805126. The cubic root of 42473863 is about 348.9050488403.

The spelling of 42473863 in words is "forty-two million, four hundred seventy-three thousand, eight hundred sixty-three".