42534628 has 6 divisors (see below), whose sum is σ = 74435606. Its totient is φ = 21267312.

The previous prime is 42534601. The next prime is 42534637. The reversal of 42534628 is 82643524.

It can be written as a sum of positive squares in only one way, i.e., 34480384 + 8054244 = 5872^2 + 2838^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42534593 and 42534602.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5316825 + ... + 5316832.

Almost surely, 2^42534628 is an apocalyptic number.

It is an amenable number.

42534628 is a deficient number, since it is larger than the sum of its proper divisors (31900978).

42534628 is a wasteful number, since it uses less digits than its factorization.

42534628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10633661 (or 10633659 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 42534628 is about 6521.8577108060. The cubic root of 42534628 is about 349.0713559239.

It can be divided in two parts, 425 and 34628, that added together give a palindrome (35053).

The spelling of 42534628 in words is "forty-two million, five hundred thirty-four thousand, six hundred twenty-eight".