42232634 has 4 divisors (see below), whose sum is σ = 63348954. Its totient is φ = 21116316.

The previous prime is 42232627. The next prime is 42232637. The reversal of 42232634 is 43623224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40921609 + 1311025 = 6397^2 + 1145^2 .

It is not an unprimeable number, because it can be changed into a prime (42232637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10558157 + ... + 10558160.

Almost surely, 2^42232634 is an apocalyptic number.

42232634 is a deficient number, since it is larger than the sum of its proper divisors (21116320).

42232634 is a wasteful number, since it uses less digits than its factorization.

42232634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21116319.

The product of its digits is 6912, while the sum is 26.

The square root of 42232634 is about 6498.6640165499. The cubic root of 42232634 is about 348.2432625544.

Adding to 42232634 its reverse (43623224), we get a palindrome (85855858).

The spelling of 42232634 in words is "forty-two million, two hundred thirty-two thousand, six hundred thirty-four".