42662434 has 4 divisors (see below), whose sum is σ = 63993654. Its totient is φ = 21331216.

The previous prime is 42662419. The next prime is 42662437. The reversal of 42662434 is 43426624.

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., 39652209 + 3010225 = 6297^2 + 1735^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42662396 and 42662405.

It is not an unprimeable number, because it can be changed into a prime (42662437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10665607 + ... + 10665610.

Almost surely, 2^42662434 is an apocalyptic number.

42662434 is a deficient number, since it is larger than the sum of its proper divisors (21331220).

42662434 is a wasteful number, since it uses less digits than its factorization.

42662434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21331219.

The product of its digits is 27648, while the sum is 31.

The square root of 42662434 is about 6531.6486433365. The cubic root of 42662434 is about 349.4206305908.

The spelling of 42662434 in words is "forty-two million, six hundred sixty-two thousand, four hundred thirty-four".