42437077 has 2 divisors, whose sum is σ = 42437078. Its totient is φ = 42437076.

The previous prime is 42437053. The next prime is 42437119. The reversal of 42437077 is 77073424.

It is a happy number.

42437077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22953681 + 19483396 = 4791^2 + 4414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42437077 is a prime.

It is equal to p_2572585 and since 42437077 and 2572585 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 (42437027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21218538 + 21218539.

It is an arithmetic number, because the mean of its divisors is an integer number (21218539).

Almost surely, 2^42437077 is an apocalyptic number.

It is an amenable number.

42437077 is a deficient number, since it is larger than the sum of its proper divisors (1).

42437077 is an equidigital number, since it uses as much as digits as its factorization.

42437077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 42437077 is about 6514.3746438165. The cubic root of 42437077 is about 348.8042925371.

The spelling of 42437077 in words is "forty-two million, four hundred thirty-seven thousand, seventy-seven".