42771348 has 24 divisors (see below), whose sum is σ = 110888960. Its totient is φ = 14257080.

The previous prime is 42771343. The next prime is 42771349. The reversal of 42771348 is 84317724.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42771341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 197908 + ... + 198123.

Almost surely, 2^42771348 is an apocalyptic number.

It is an amenable number.

42771348 is an abundant number, since it is smaller than the sum of its proper divisors (68117612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42771348 is a wasteful number, since it uses less digits than its factorization.

42771348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396044 (or 396036 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 42771348 is about 6539.9807339166. The cubic root of 42771348 is about 349.7177261498.

It can be divided in two parts, 4277 and 1348, that added together give a square (5625 = 75²).

The spelling of 42771348 in words is "forty-two million, seven hundred seventy-one thousand, three hundred forty-eight".