42679742 has 16 divisors (see below), whose sum is σ = 74169312. Its totient is φ = 18040320.

The previous prime is 42679739. The next prime is 42679751. The reversal of 42679742 is 24797624.

It is a self number, because there is not a number n which added to its sum of digits gives 42679742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19859 + ... + 21902.

It is an arithmetic number, because the mean of its divisors is an integer number (4635582).

Almost surely, 2^42679742 is an apocalyptic number.

42679742 is a deficient number, since it is larger than the sum of its proper divisors (31489570).

42679742 is a wasteful number, since it uses less digits than its factorization.

42679742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41843.

The product of its digits is 169344, while the sum is 41.

The square root of 42679742 is about 6532.9734424686. The cubic root of 42679742 is about 349.4678771107.

The spelling of 42679742 in words is "forty-two million, six hundred seventy-nine thousand, seven hundred forty-two".