42306634 has 8 divisors (see below), whose sum is σ = 63509220. Its totient is φ = 21136896.

The previous prime is 42306617. The next prime is 42306653. The reversal of 42306634 is 43660324.

It can be written as a sum of positive squares in 2 ways, for example, as 40360609 + 1946025 = 6353^2 + 1395^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4689 + ... + 10324.

Almost surely, 2^42306634 is an apocalyptic number.

42306634 is a deficient number, since it is larger than the sum of its proper divisors (21202586).

42306634 is a wasteful number, since it uses less digits than its factorization.

42306634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16424.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 42306634 is about 6504.3550026117. The cubic root of 42306634 is about 348.4465410954.

Adding to 42306634 its reverse (43660324), we get a palindrome (85966958).

The spelling of 42306634 in words is "forty-two million, three hundred six thousand, six hundred thirty-four".