42072606 has 12 divisors (see below), whose sum is σ = 91157352. Its totient is φ = 14024196.

The previous prime is 42072599. The next prime is 42072607. The reversal of 42072606 is 60627024.

42072606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42072606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42072607) 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 5 ways as a sum of consecutive naturals, for example, 1168666 + ... + 1168701.

It is an arithmetic number, because the mean of its divisors is an integer number (7596446).

Almost surely, 2^42072606 is an apocalyptic number.

42072606 is an abundant number, since it is smaller than the sum of its proper divisors (49084746).

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

42072606 is a wasteful number, since it uses less digits than its factorization.

42072606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337375 (or 2337372 counting only the distinct ones).

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

The square root of 42072606 is about 6486.3399540881. The cubic root of 42072606 is about 347.8028510751.

The spelling of 42072606 in words is "forty-two million, seventy-two thousand, six hundred six".