42679712 has 12 divisors (see below), whose sum is σ = 84025746. Its totient is φ = 21339840.

The previous prime is 42679711. The next prime is 42679727. The reversal of 42679712 is 21797624.

It can be written as a sum of positive squares in only one way, i.e., 23001616 + 19678096 = 4796^2 + 4436^2 .

It is not an unprimeable number, because it can be changed into a prime (42679711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666839 + ... + 666902.

Almost surely, 2^42679712 is an apocalyptic number.

It is an amenable number.

42679712 is a deficient number, since it is larger than the sum of its proper divisors (41346034).

42679712 is a wasteful number, since it uses less digits than its factorization.

42679712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333751 (or 1333743 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 42679712 is about 6532.9711464233. The cubic root of 42679712 is about 349.4677952292.

The spelling of 42679712 in words is "forty-two million, six hundred seventy-nine thousand, seven hundred twelve".