42442037 has 4 divisors (see below), whose sum is σ = 46300416. Its totient is φ = 38583660.

The previous prime is 42442033. The next prime is 42442073. The reversal of 42442037 is 73024424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42442037 - 2² = 42442033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42441997 and 42442015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42442033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1929173 + ... + 1929194.

It is an arithmetic number, because the mean of its divisors is an integer number (11575104).

Almost surely, 2^42442037 is an apocalyptic number.

It is an amenable number.

42442037 is a deficient number, since it is larger than the sum of its proper divisors (3858379).

42442037 is a wasteful number, since it uses less digits than its factorization.

42442037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858378.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 42442037 is about 6514.7553292507. The cubic root of 42442037 is about 348.8178812981.

The spelling of 42442037 in words is "forty-two million, four hundred forty-two thousand, thirty-seven".