42660070 has 16 divisors (see below), whose sum is σ = 77235120. Its totient is φ = 16964704.

The previous prime is 42660053. The next prime is 42660083. The reversal of 42660070 is 7006624.

42660070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 10600 + ... + 14059.

It is an arithmetic number, because the mean of its divisors is an integer number (4827195).

Almost surely, 2^42660070 is an apocalyptic number.

42660070 is a deficient number, since it is larger than the sum of its proper divisors (34575050).

42660070 is a wasteful number, since it uses less digits than its factorization.

42660070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24839.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 42660070 is about 6531.4676757984. The cubic root of 42660070 is about 349.4141764691.

Adding to 42660070 its reverse (7006624), we get a palindrome (49666694).

The spelling of 42660070 in words is "forty-two million, six hundred sixty thousand, seventy".