42071500 has 24 divisors (see below), whose sum is σ = 91885248. Its totient is φ = 16828400.

The previous prime is 42071473. The next prime is 42071503. The reversal of 42071500 is 517024.

42071500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42071500² = 3540022224500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42071503) 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 7 ways as a sum of consecutive naturals, for example, 41572 + ... + 42571.

It is an arithmetic number, because the mean of its divisors is an integer number (3828552).

Almost surely, 2^42071500 is an apocalyptic number.

It is an amenable number.

42071500 is an abundant number, since it is smaller than the sum of its proper divisors (49813748).

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

42071500 is a wasteful number, since it uses less digits than its factorization.

42071500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84162 (or 84150 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 42071500 is about 6486.2546974352. The cubic root of 42071500 is about 347.7998033808.

Adding to 42071500 its reverse (517024), we get a palindrome (42588524).

The spelling of 42071500 in words is "forty-two million, seventy-one thousand, five hundred".