42771532 has 6 divisors (see below), whose sum is σ = 74850188. Its totient is φ = 21385764.

The previous prime is 42771529. The next prime is 42771557. The reversal of 42771532 is 23517724.

It is a junction number, because it is equal to n+sod(n) for n = 42771494 and 42771503.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5346438 + ... + 5346445.

Almost surely, 2^42771532 is an apocalyptic number.

It is an amenable number.

42771532 is a deficient number, since it is larger than the sum of its proper divisors (32078656).

42771532 is a wasteful number, since it uses less digits than its factorization.

42771532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10692887 (or 10692885 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 42771532 is about 6539.9948012212. The cubic root of 42771532 is about 349.7182276379.

The spelling of 42771532 in words is "forty-two million, seven hundred seventy-one thousand, five hundred thirty-two".