42068500 has 24 divisors (see below), whose sum is σ = 91878696. Its totient is φ = 16827200.

The previous prime is 42068497. The next prime is 42068503. The reversal of 42068500 is 586024.

It is an interprime number because it is at equal distance from previous prime (42068497) and next prime (42068503).

It can be written as a sum of positive squares in 4 ways, for example, as 26244 + 42042256 = 162^2 + 6484^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42068503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41569 + ... + 42568.

It is an arithmetic number, because the mean of its divisors is an integer number (3828279).

Almost surely, 2^42068500 is an apocalyptic number.

It is an amenable number.

42068500 is an abundant number, since it is smaller than the sum of its proper divisors (49810196).

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

42068500 is a wasteful number, since it uses less digits than its factorization.

42068500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84156 (or 84144 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 42068500 is about 6486.0234350486. The cubic root of 42068500 is about 347.7915363099.

The spelling of 42068500 in words is "forty-two million, sixty-eight thousand, five hundred".