42078711 has 8 divisors (see below), whose sum is σ = 59057920. Its totient is φ = 26575992.

The previous prime is 42078709. The next prime is 42078719. The reversal of 42078711 is 11787024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42078711 - 2¹ = 42078709 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 (42078719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369055 + ... + 369168.

It is an arithmetic number, because the mean of its divisors is an integer number (7382240).

Almost surely, 2^42078711 is an apocalyptic number.

42078711 is a deficient number, since it is larger than the sum of its proper divisors (16979209).

42078711 is a wasteful number, since it uses less digits than its factorization.

42078711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738245.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 42078711 is about 6486.8105413986. The cubic root of 42078711 is about 347.8196730559.

The spelling of 42078711 in words is "forty-two million, seventy-eight thousand, seven hundred eleven".