42690712 has 16 divisors (see below), whose sum is σ = 80259840. Its totient is φ = 21288096.

The previous prime is 42690709. The next prime is 42690721. The reversal of 42690712 is 21709624.

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 in 3 ways as a sum of consecutive naturals, for example, 3903 + ... + 10030.

It is an arithmetic number, because the mean of its divisors is an integer number (5016240).

Almost surely, 2^42690712 is an apocalyptic number.

It is an amenable number.

42690712 is a deficient number, since it is larger than the sum of its proper divisors (37569128).

42690712 is a wasteful number, since it uses less digits than its factorization.

42690712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14322 (or 14318 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 42690712 is about 6533.8129755909. The cubic root of 42690712 is about 349.4978158593.

The spelling of 42690712 in words is "forty-two million, six hundred ninety thousand, seven hundred twelve".