42013606 has 4 divisors (see below), whose sum is σ = 63020412. Its totient is φ = 21006802.

The previous prime is 42013583. The next prime is 42013619. The reversal of 42013606 is 60631024.

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

It is a Smith number, since the sum of its digits (22) 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, 10503400 + ... + 10503403.

It is an arithmetic number, because the mean of its divisors is an integer number (15755103).

Almost surely, 2^42013606 is an apocalyptic number.

42013606 is a deficient number, since it is larger than the sum of its proper divisors (21006806).

42013606 is a wasteful number, since it uses less digits than its factorization.

42013606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21006805.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 42013606 is about 6481.7903390961. The cubic root of 42013606 is about 347.6401960064.

The spelling of 42013606 in words is "forty-two million, thirteen thousand, six hundred six".