42466637 has 4 divisors (see below), whose sum is σ = 42501120. Its totient is φ = 42432156.

The previous prime is 42466631. The next prime is 42466649. The reversal of 42466637 is 73666424.

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 42466637 - 2⁶ = 42466573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42466637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42466631) 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, 15323 + ... + 17880.

It is an arithmetic number, because the mean of its divisors is an integer number (10625280).

Almost surely, 2^42466637 is an apocalyptic number.

It is an amenable number.

42466637 is a deficient number, since it is larger than the sum of its proper divisors (34483).

42466637 is a wasteful number, since it uses less digits than its factorization.

42466637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34482.

The product of its digits is 145152, while the sum is 38.

The square root of 42466637 is about 6516.6430775362. The cubic root of 42466637 is about 348.8852615273.

The spelling of 42466637 in words is "forty-two million, four hundred sixty-six thousand, six hundred thirty-seven".