42374173 has 2 divisors, whose sum is σ = 42374174. Its totient is φ = 42374172.

The previous prime is 42374153. The next prime is 42374201. The reversal of 42374173 is 37147324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42341049 + 33124 = 6507^2 + 182^2 .

It is a cyclic number.

It is not a de Polignac number, because 42374173 - 2⁵ = 42374141 is a prime.

It is equal to p_2569036 and since 42374173 and 2569036 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42374113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21187086 + 21187087.

It is an arithmetic number, because the mean of its divisors is an integer number (21187087).

Almost surely, 2^42374173 is an apocalyptic number.

It is an amenable number.

42374173 is a deficient number, since it is larger than the sum of its proper divisors (1).

42374173 is an equidigital number, since it uses as much as digits as its factorization.

42374173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 31.

The square root of 42374173 is about 6509.5447613485. The cubic root of 42374173 is about 348.6318644250.

The spelling of 42374173 in words is "forty-two million, three hundred seventy-four thousand, one hundred seventy-three".