42006293 has 4 divisors (see below), whose sum is σ = 48007200. Its totient is φ = 36005388.

The previous prime is 42006277. The next prime is 42006323. The reversal of 42006293 is 39260024.

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 42006293 - 2⁴ = 42006277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42006493) 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, 3000443 + ... + 3000456.

It is an arithmetic number, because the mean of its divisors is an integer number (12001800).

Almost surely, 2^42006293 is an apocalyptic number.

It is an amenable number.

42006293 is a deficient number, since it is larger than the sum of its proper divisors (6000907).

42006293 is an equidigital number, since it uses as much as digits as its factorization.

42006293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000906.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 42006293 is about 6481.2261957133. The cubic root of 42006293 is about 347.6200244436.

The spelling of 42006293 in words is "forty-two million, six thousand, two hundred ninety-three".