42620636 has 12 divisors (see below), whose sum is σ = 75355728. Its totient is φ = 21090432.

The previous prime is 42620621. The next prime is 42620651. The reversal of 42620636 is 63602624.

42620636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42620621) and next prime (42620651).

It is a super-2 number, since 2×42620636² = 3633037226088992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42620599 and 42620608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54536 + ... + 55311.

It is an arithmetic number, because the mean of its divisors is an integer number (6279644).

Almost surely, 2^42620636 is an apocalyptic number.

It is an amenable number.

42620636 is a deficient number, since it is larger than the sum of its proper divisors (32735092).

42620636 is a wasteful number, since it uses less digits than its factorization.

42620636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109948 (or 109946 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 42620636 is about 6528.4482076524. The cubic root of 42620636 is about 349.3064797680.

The spelling of 42620636 in words is "forty-two million, six hundred twenty thousand, six hundred thirty-six".