42674237 has 2 divisors, whose sum is σ = 42674238. Its totient is φ = 42674236.

The previous prime is 42674221. The next prime is 42674249. The reversal of 42674237 is 73247624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25542916 + 17131321 = 5054^2 + 4139^2 .

It is a cyclic number.

It is not a de Polignac number, because 42674237 - 2⁴ = 42674221 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42674197 and 42674206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42674207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21337118 + 21337119.

It is an arithmetic number, because the mean of its divisors is an integer number (21337119).

Almost surely, 2^42674237 is an apocalyptic number.

It is an amenable number.

42674237 is a deficient number, since it is larger than the sum of its proper divisors (1).

42674237 is an equidigital number, since it uses as much as digits as its factorization.

42674237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 35.

The square root of 42674237 is about 6532.5521046525. The cubic root of 42674237 is about 349.4528512202.

The spelling of 42674237 in words is "forty-two million, six hundred seventy-four thousand, two hundred thirty-seven".