42137970 has 32 divisors (see below), whose sum is σ = 115579008. Its totient is φ = 9631488.

The previous prime is 42137969. The next prime is 42137981. The reversal of 42137970 is 7973124.

42137970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 100119 + ... + 100538.

It is an arithmetic number, because the mean of its divisors is an integer number (3611844).

Almost surely, 2^42137970 is an apocalyptic number.

42137970 is an abundant number, since it is smaller than the sum of its proper divisors (73441038).

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

42137970 is a wasteful number, since it uses less digits than its factorization.

42137970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200674.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 42137970 is about 6491.3765874428. The cubic root of 42137970 is about 347.9828733809.

The spelling of 42137970 in words is "forty-two million, one hundred thirty-seven thousand, nine hundred seventy".