42377117 has 4 divisors (see below), whose sum is σ = 42453756. Its totient is φ = 42300480.

The previous prime is 42377113. The next prime is 42377119. The reversal of 42377117 is 71177324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2105401 + 40271716 = 1451^2 + 6346^2 .

It is a cyclic number.

It is not a de Polignac number, because 42377117 - 2² = 42377113 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 (42377113) 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, 37484 + ... + 38597.

It is an arithmetic number, because the mean of its divisors is an integer number (10613439).

Almost surely, 2^42377117 is an apocalyptic number.

It is an amenable number.

42377117 is a deficient number, since it is larger than the sum of its proper divisors (76639).

42377117 is an equidigital number, since it uses as much as digits as its factorization.

42377117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76638.

The product of its digits is 8232, while the sum is 32.

The square root of 42377117 is about 6509.7708869053. The cubic root of 42377117 is about 348.6399381199.

The spelling of 42377117 in words is "forty-two million, three hundred seventy-seven thousand, one hundred seventeen".