42692128 has 12 divisors (see below), whose sum is σ = 84050190. Its totient is φ = 21346048.

The previous prime is 42692113. The next prime is 42692137. The reversal of 42692128 is 82129624.

It can be written as a sum of positive squares in only one way, i.e., 26915344 + 15776784 = 5188^2 + 3972^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42692093 and 42692102.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 667033 + ... + 667096.

Almost surely, 2^42692128 is an apocalyptic number.

It is an amenable number.

42692128 is a deficient number, since it is larger than the sum of its proper divisors (41358062).

42692128 is a wasteful number, since it uses less digits than its factorization.

42692128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334139 (or 1334131 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 42692128 is about 6533.9213340842. The cubic root of 42692128 is about 349.5016799585.

The spelling of 42692128 in words is "forty-two million, six hundred ninety-two thousand, one hundred twenty-eight".