42136470 has 32 divisors (see below), whose sum is σ = 112364640. Its totient is φ = 11236320.

The previous prime is 42136447. The next prime is 42136513. The reversal of 42136470 is 7463124.

42136470 is a `hidden beast` number, since 4 + 2 + 13 + 647 + 0 = 666.

42136470 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 (27).

It is a Curzon number.

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, 77761 + ... + 78300.

It is an arithmetic number, because the mean of its divisors is an integer number (3511395).

Almost surely, 2^42136470 is an apocalyptic number.

42136470 is an abundant number, since it is smaller than the sum of its proper divisors (70228170).

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

42136470 is a wasteful number, since it uses less digits than its factorization.

42136470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156077 (or 156071 counting only the distinct ones).

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

The square root of 42136470 is about 6491.2610485175. The cubic root of 42136470 is about 347.9787442428.

Adding to 42136470 its reverse (7463124), we get a palindrome (49599594).

The spelling of 42136470 in words is "forty-two million, one hundred thirty-six thousand, four hundred seventy".