42062643 has 24 divisors (see below), whose sum is σ = 71056128. Its totient is φ = 23475312.

The previous prime is 42062633. The next prime is 42062717. The reversal of 42062643 is 34626024.

It is not a de Polignac number, because 42062643 - 2¹² = 42058547 is a prime.

It is a super-2 number, since 2×42062643² = 3538531872290898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42062633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5055 + ... + 10472.

It is an arithmetic number, because the mean of its divisors is an integer number (2960672).

Almost surely, 2^42062643 is an apocalyptic number.

42062643 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42062643 is a deficient number, since it is larger than the sum of its proper divisors (28993485).

42062643 is a wasteful number, since it uses less digits than its factorization.

42062643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15583 (or 15580 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 42062643 is about 6485.5719100169. The cubic root of 42062643 is about 347.7753950992.

Adding to 42062643 its reverse (34626024), we get a palindrome (76688667).

The spelling of 42062643 in words is "forty-two million, sixty-two thousand, six hundred forty-three".