42771652 has 24 divisors (see below), whose sum is σ = 93320640. Its totient is φ = 16664160.

The previous prime is 42771647. The next prime is 42771653. The reversal of 42771652 is 25617724.

It is not an unprimeable number, because it can be changed into a prime (42771653) 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, 69127 + ... + 69742.

It is an arithmetic number, because the mean of its divisors is an integer number (3888360).

Almost surely, 2^42771652 is an apocalyptic number.

It is an amenable number.

42771652 is an abundant number, since it is smaller than the sum of its proper divisors (50548988).

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

42771652 is a wasteful number, since it uses less digits than its factorization.

42771652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138891 (or 138889 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 42771652 is about 6540.0039755340. The cubic root of 42771652 is about 349.7185546946.

It can be divided in two parts, 4277 and 1652, that added together give a square (5929 = 77²).

The spelling of 42771652 in words is "forty-two million, seven hundred seventy-one thousand, six hundred fifty-two".