42975793 has 6 divisors (see below), whose sum is σ = 49992306. Its totient is φ = 36836352.

The previous prime is 42975773. The next prime is 42975809. The reversal of 42975793 is 39757924.

It can be written as a sum of positive squares in only one way, i.e., 42928704 + 47089 = 6552^2 + 217^2 .

It is not a de Polignac number, because 42975793 - 2¹³ = 42967601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42975733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 438480 + ... + 438577.

It is an arithmetic number, because the mean of its divisors is an integer number (8332051).

Almost surely, 2^42975793 is an apocalyptic number.

It is an amenable number.

42975793 is a deficient number, since it is larger than the sum of its proper divisors (7016513).

42975793 is an equidigital number, since it uses as much as digits as its factorization.

42975793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877071 (or 877064 counting only the distinct ones).

The product of its digits is 476280, while the sum is 46.

The square root of 42975793 is about 6555.5924980127. The cubic root of 42975793 is about 350.2740520263.

The spelling of 42975793 in words is "forty-two million, nine hundred seventy-five thousand, seven hundred ninety-three".