42711028 has 6 divisors (see below), whose sum is σ = 74744306. Its totient is φ = 21355512.

The previous prime is 42711001. The next prime is 42711047. The reversal of 42711028 is 82011724.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41242084 + 1468944 = 6422^2 + 1212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42710993 and 42711011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5338875 + ... + 5338882.

Almost surely, 2^42711028 is an apocalyptic number.

It is an amenable number.

42711028 is a deficient number, since it is larger than the sum of its proper divisors (32033278).

42711028 is a wasteful number, since it uses less digits than its factorization.

42711028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10677761 (or 10677759 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 42711028 is about 6535.3674724533. The cubic root of 42711028 is about 349.5532476793.

The spelling of 42711028 in words is "forty-two million, seven hundred eleven thousand, twenty-eight".