42739606 has 16 divisors (see below), whose sum is σ = 78904224. Its totient is φ = 16907904.

The previous prime is 42739601. The next prime is 42739633. The reversal of 42739606 is 60693724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42739601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117235 + ... + 117598.

It is an arithmetic number, because the mean of its divisors is an integer number (4931514).

Almost surely, 2^42739606 is an apocalyptic number.

42739606 is a deficient number, since it is larger than the sum of its proper divisors (36164618).

42739606 is a wasteful number, since it uses less digits than its factorization.

42739606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234855.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 42739606 is about 6537.5535179454. The cubic root of 42739606 is about 349.6311924632.

The spelling of 42739606 in words is "forty-two million, seven hundred thirty-nine thousand, six hundred six".