42618677 has 4 divisors (see below), whose sum is σ = 45125676. Its totient is φ = 40111680.

The previous prime is 42618671. The next prime is 42618679. The reversal of 42618677 is 77681624.

42618677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11771761 + 30846916 = 3431^2 + 5554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42618677 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 (42618671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253474 + ... + 1253507.

It is an arithmetic number, because the mean of its divisors is an integer number (11281419).

Almost surely, 2^42618677 is an apocalyptic number.

It is an amenable number.

42618677 is a deficient number, since it is larger than the sum of its proper divisors (2506999).

42618677 is a wasteful number, since it uses less digits than its factorization.

42618677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506998.

The product of its digits is 112896, while the sum is 41.

The square root of 42618677 is about 6528.2981702738. The cubic root of 42618677 is about 349.3011278857.

The spelling of 42618677 in words is "forty-two million, six hundred eighteen thousand, six hundred seventy-seven".