42000270 has 32 divisors (see below), whose sum is σ = 108555552. Its totient is φ = 10338432.

The previous prime is 42000247. The next prime is 42000289. The reversal of 42000270 is 7200024.

42000270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 15 ways as a sum of consecutive naturals, for example, 53457 + ... + 54236.

It is an arithmetic number, because the mean of its divisors is an integer number (3392361).

Almost surely, 2^42000270 is an apocalyptic number.

42000270 is an abundant number, since it is smaller than the sum of its proper divisors (66555282).

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

42000270 is a wasteful number, since it uses less digits than its factorization.

42000270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107716.

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 42000270 is about 6480.7615293266. The cubic root of 42000270 is about 347.6034093499.

Adding to 42000270 its reverse (7200024), we get a palindrome (49200294).

The spelling of 42000270 in words is "forty-two million, two hundred seventy", and thus it is an aban number.