42917093 has 4 divisors (see below), whose sum is σ = 42963360. Its totient is φ = 42870828.

The previous prime is 42917089. The next prime is 42917107. The reversal of 42917093 is 39071924.

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 42917093 - 2² = 42917089 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 (42917293) 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, 21713 + ... + 23606.

It is an arithmetic number, because the mean of its divisors is an integer number (10740840).

Almost surely, 2^42917093 is an apocalyptic number.

It is an amenable number.

42917093 is a deficient number, since it is larger than the sum of its proper divisors (46267).

42917093 is an equidigital number, since it uses as much as digits as its factorization.

42917093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46266.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 42917093 is about 6551.1138747544. The cubic root of 42917093 is about 350.1145013127.

The spelling of 42917093 in words is "forty-two million, nine hundred seventeen thousand, ninety-three".