42642814 has 4 divisors (see below), whose sum is σ = 63964224. Its totient is φ = 21321406.

The previous prime is 42642797. The next prime is 42642823. The reversal of 42642814 is 41824624.

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

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10660702 + ... + 10660705.

It is an arithmetic number, because the mean of its divisors is an integer number (15991056).

Almost surely, 2^42642814 is an apocalyptic number.

42642814 is a deficient number, since it is larger than the sum of its proper divisors (21321410).

42642814 is a wasteful number, since it uses less digits than its factorization.

42642814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21321409.

The product of its digits is 12288, while the sum is 31.

The square root of 42642814 is about 6530.1465527199. The cubic root of 42642814 is about 349.3670574325.

The spelling of 42642814 in words is "forty-two million, six hundred forty-two thousand, eight hundred fourteen".