42630620 has 12 divisors (see below), whose sum is σ = 89524344. Its totient is φ = 17052240.

The previous prime is 42630617. The next prime is 42630629. The reversal of 42630620 is 2603624.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42630629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065746 + ... + 1065785.

It is an arithmetic number, because the mean of its divisors is an integer number (7460362).

Almost surely, 2^42630620 is an apocalyptic number.

It is an amenable number.

42630620 is an abundant number, since it is smaller than the sum of its proper divisors (46893724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42630620 is a wasteful number, since it uses less digits than its factorization.

42630620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131540 (or 2131538 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 42630620 is about 6529.2128162589. The cubic root of 42630620 is about 349.3337529697. Note that the first 3 decimals are identical.

The spelling of 42630620 in words is "forty-two million, six hundred thirty thousand, six hundred twenty".