42306536 has 8 divisors (see below), whose sum is σ = 79324770. Its totient is φ = 21153264.

The previous prime is 42306527. The next prime is 42306541. The reversal of 42306536 is 63560324.

It can be written as a sum of positive squares in only one way, i.e., 22146436 + 20160100 = 4706^2 + 4490^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 42306499 and 42306508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2644151 + ... + 2644166.

Almost surely, 2^42306536 is an apocalyptic number.

It is an amenable number.

42306536 is a deficient number, since it is larger than the sum of its proper divisors (37018234).

42306536 is a wasteful number, since it uses less digits than its factorization.

42306536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288323 (or 5288319 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 42306536 is about 6504.3474691932. The cubic root of 42306536 is about 348.4462720455.

The spelling of 42306536 in words is "forty-two million, three hundred six thousand, five hundred thirty-six".