42706036 has 12 divisors (see below), whose sum is σ = 75324928. Its totient is φ = 21184632.

The previous prime is 42706031. The next prime is 42706049. The reversal of 42706036 is 63060724.

It is a junction number, because it is equal to n+sod(n) for n = 42705995 and 42706013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42706031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41526 + ... + 42541.

Almost surely, 2^42706036 is an apocalyptic number.

It is an amenable number.

42706036 is a deficient number, since it is larger than the sum of its proper divisors (32618892).

42706036 is a wasteful number, since it uses less digits than its factorization.

42706036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84198 (or 84196 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 42706036 is about 6534.9855393872. The cubic root of 42706036 is about 349.5396287314.

The spelling of 42706036 in words is "forty-two million, seven hundred six thousand, thirty-six".