42620104 has 16 divisors (see below), whose sum is σ = 83387520. Its totient is φ = 20383440.

The previous prime is 42620087. The next prime is 42620129. The reversal of 42620104 is 40102624.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115632 + ... + 115999.

It is an arithmetic number, because the mean of its divisors is an integer number (5211720).

Almost surely, 2^42620104 is an apocalyptic number.

It is an amenable number.

42620104 is a deficient number, since it is larger than the sum of its proper divisors (40767416).

42620104 is a wasteful number, since it uses less digits than its factorization.

42620104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231660 (or 231656 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 42620104 is about 6528.4074627738. The cubic root of 42620104 is about 349.3050263889.

Adding to 42620104 its reverse (40102624), we get a palindrome (82722728).

It can be divided in two parts, 42620 and 104, that added together give a palindrome (42724).

The spelling of 42620104 in words is "forty-two million, six hundred twenty thousand, one hundred four".