42270093 has 24 divisors (see below), whose sum is σ = 63711648. Its totient is φ = 28005264.

The previous prime is 42270083. The next prime is 42270101. The reversal of 42270093 is 39007224.

It is not a de Polignac number, because 42270093 - 2⁴ = 42270077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42270073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47430 + ... + 48312.

It is an arithmetic number, because the mean of its divisors is an integer number (2654652).

Almost surely, 2^42270093 is an apocalyptic number.

It is an amenable number.

42270093 is a deficient number, since it is larger than the sum of its proper divisors (21441555).

42270093 is an equidigital number, since it uses as much as digits as its factorization.

42270093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 42270093 is about 6501.5454316647. The cubic root of 42270093 is about 348.3461923526.

The spelling of 42270093 in words is "forty-two million, two hundred seventy thousand, ninety-three".