42243693 has 8 divisors (see below), whose sum is σ = 56525088. Its totient is φ = 28062384.

The previous prime is 42243683. The next prime is 42243697. The reversal of 42243693 is 39634224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42243693 - 2¹² = 42239597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42243697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24030 + ... + 25727.

It is an arithmetic number, because the mean of its divisors is an integer number (7065636).

Almost surely, 2^42243693 is an apocalyptic number.

It is an amenable number.

42243693 is a deficient number, since it is larger than the sum of its proper divisors (14281395).

42243693 is a wasteful number, since it uses less digits than its factorization.

42243693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50043.

The product of its digits is 31104, while the sum is 33.

The square root of 42243693 is about 6499.5148280468. The cubic root of 42243693 is about 348.2736567919.

The spelling of 42243693 in words is "forty-two million, two hundred forty-three thousand, six hundred ninety-three".