42736122 has 48 divisors (see below), whose sum is σ = 108789408. Its totient is φ = 11953440.

The previous prime is 42736117. The next prime is 42736123. The reversal of 42736122 is 22163724.

42736122 is a `hidden beast` number, since 42 + 7 + 3 + 612 + 2 = 666.

42736122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42736122² = 3652752247197768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42736123) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5728 + ... + 10875.

It is an arithmetic number, because the mean of its divisors is an integer number (2266446).

Almost surely, 2^42736122 is an apocalyptic number.

42736122 is an abundant number, since it is smaller than the sum of its proper divisors (66053286).

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

42736122 is a wasteful number, since it uses less digits than its factorization.

42736122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16635 (or 16632 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 42736122 is about 6537.2870519811. The cubic root of 42736122 is about 349.6216919219.

Adding to 42736122 its reverse (22163724), we get a palindrome (64899846).

It can be divided in two parts, 42 and 736122, that added together give a square (736164 = 858²).

The spelling of 42736122 in words is "forty-two million, seven hundred thirty-six thousand, one hundred twenty-two".