42779614 has 4 divisors (see below), whose sum is σ = 64169424. Its totient is φ = 21389806.

The previous prime is 42779593. The next prime is 42779623. The reversal of 42779614 is 41697724.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 10694902 + ... + 10694905.

It is an arithmetic number, because the mean of its divisors is an integer number (16042356).

Almost surely, 2^42779614 is an apocalyptic number.

42779614 is a deficient number, since it is larger than the sum of its proper divisors (21389810).

42779614 is a wasteful number, since it uses less digits than its factorization.

42779614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21389809.

The product of its digits is 84672, while the sum is 40.

The square root of 42779614 is about 6540.6126624346. The cubic root of 42779614 is about 349.7402535398.

The spelling of 42779614 in words is "forty-two million, seven hundred seventy-nine thousand, six hundred fourteen".