42084077 has 4 divisors (see below), whose sum is σ = 48096096. Its totient is φ = 36072060.

The previous prime is 42084073. The next prime is 42084079. The reversal of 42084077 is 77048024.

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 42084077 - 2² = 42084073 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 (42084073) 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, 3005999 + ... + 3006012.

It is an arithmetic number, because the mean of its divisors is an integer number (12024024).

Almost surely, 2^42084077 is an apocalyptic number.

It is an amenable number.

42084077 is a deficient number, since it is larger than the sum of its proper divisors (6012019).

42084077 is an equidigital number, since it uses as much as digits as its factorization.

42084077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012018.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 42084077 is about 6487.2241367167. The cubic root of 42084077 is about 347.8344574206.

The spelling of 42084077 in words is "forty-two million, eighty-four thousand, seventy-seven".