42707528 has 8 divisors (see below), whose sum is σ = 80076630. Its totient is φ = 21353760.

The previous prime is 42707507. The next prime is 42707531. The reversal of 42707528 is 82570724.

It can be written as a sum of positive squares in only one way, i.e., 41964484 + 743044 = 6478^2 + 862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 2669213 + ... + 2669228.

Almost surely, 2^42707528 is an apocalyptic number.

It is an amenable number.

42707528 is a deficient number, since it is larger than the sum of its proper divisors (37369102).

42707528 is a wasteful number, since it uses less digits than its factorization.

42707528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338447 (or 5338443 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 42707528 is about 6535.0996931952. The cubic root of 42707528 is about 349.5436992493.

The spelling of 42707528 in words is "forty-two million, seven hundred seven thousand, five hundred twenty-eight".