42771046 has 8 divisors (see below), whose sum is σ = 64587600. Its totient is φ = 21241848.

The previous prime is 42771023. The next prime is 42771067. The reversal of 42771046 is 64017724.

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

It is a junction number, because it is equal to n+sod(n) for n = 42770999 and 42771017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71466 + ... + 72061.

It is an arithmetic number, because the mean of its divisors is an integer number (8073450).

Almost surely, 2^42771046 is an apocalyptic number.

42771046 is a deficient number, since it is larger than the sum of its proper divisors (21816554).

42771046 is a wasteful number, since it uses less digits than its factorization.

42771046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143678.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 42771046 is about 6539.9576451228. The cubic root of 42771046 is about 349.7169030520.

The spelling of 42771046 in words is "forty-two million, seven hundred seventy-one thousand, forty-six".